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178 resources with the keyterm cosine

Lesson Planet

Introduction to Law of Sines

For Teachers 10th - 12th
Students solve problems using the law of sines.  In this sines instructional activity, students work in groups and individually to solve problems using the law of sines.  They identify real life problems that require the use of the law...
Lesson Planet

Pre-Calculus Test Chapter 5: Identities

For Students 10th - 12th
In this identities instructional activity, students match equivalent expressions containing sine, cosine, and tangent.  They solve equations, find intervals, and determine all solutions to an interval.  Students prove given identities. ...
Lesson Planet

Trigonometry Practice: Trigonometric Graphs #2

For Teachers 9th - 12th
In this trigonometric functions worksheet, high schoolers solve 8 multiple choice and graphing problems.  Students graph trigonometric functions given an equation and match graphs to a given scenario.
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The Hyperbolic Sine and Cosine

For Students 11th - 12th
In this sine and cosine worksheet, students find derivatives and integrals of 6 functions.  Students find derivatives, indefinite integrals and the area between two curves.
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Unit Circle-Trigonometric Functions

For Teachers 10th - 12th
Students explore trigonometric functions.  In this trigonometry vocabulary review instructional activity, students match trigonometric definitions with a numeric equivalent.  Students use trigonometry cards (provided) to play "Memory" or...
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Trigonometry Puzzle

For Students 8th - 12th
In this trigonometry worksheet, students solve for the degree or the ratio in 48 questions using the 6 basic trigonometric functions. 
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Precalculus Test Sections 5.1 - 5.2

For Students 10th - 12th
In this section worksheet, students simplify given addition and division problems containing ratios with sine, cosine, and tangent.  They factor problems and prove identities.  This two-page worksheet contains 12 problems.
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Improving Archimedes' Method

For Students 9th - 12th
In this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle.  They use sine and cosine functions to solve problems.  This three-page instructional activity contains 4 multi-step...
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Differentiation of Functions

For Students 10th - 12th
In this differentiation of functions instructional activity, students find the first derivative of given functions. Functions contain exponents and square roots. This three page instructional activity contains nine multi-step problems.
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Trigonometric Ratios

For Students 10th - 12th
In this trigonometric ratios worksheet, students determine the value of trigonometric ratios.  They find the area of triangles, determine the length of one side, and compute the degrees in an angle.  This five-page worksheet contains 55...
Lesson Planet

Using Trinonometry to Find Angle Measures

For Students 10th - 12th
In this trigonometric ratios worksheet, students find the missing angle of 20 triangles by using sine, cosine and tangent ratios. Students compute the angle measurement of given ratios for six problems.
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Trig Derivative Quiz

For Students 10th - 12th
In this trigonometry derivative quiz, students find the derivative of given functions.  This one-page worksheet contains 10 multiple-step problems.  This is a matching worksheet.  Answers are found at the bottom of the page.
Lesson Planet

Sin, Cos, and Tan of Right Triangles

For Teachers 9th - 12th
Students explore the sine, cosine, and tangent relationships of a right triangle.  In this sine, cosine, and tangent relationships of a right triangle lesson, students construct a right triangle.  Students develop the sine, cosine, and...
Lesson Planet

Ratios of Right Triangles

For Teachers 9th - 12th
Learners find the angle measures of a right triangle given two side lengths.  In this finding the angle measures of a right triangle given two side lengths lesson, students record the ratio of a leg and hypotenuse of a right triangle. ...
Lesson Planet

What's the Trig?

For Teachers 9th - 12th Standards
Learners determine the trigonometric relationships within a triangle as they construct a right triangle on the Ti-89. They find the sine, cosine, and tangent of various angles of their triangle construction.
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Hunter Fred's Quest for Dinner

For Teachers 9th - 12th Standards
Learners solve problems using trigonometric functions, specifically a problem about a tree stand. Pupils try to maximize the distance of hunting sight given certain restrictions. They use the Pythagorean Theorem, sine, cosine, and...
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Modeling Damped Motion

For Teachers 10th - 12th
Students model damped motion.  In this modeling damped motion lesson, students collect data on an oscillating spring with a mass hanger.  Students create a scatter plot of their data and find a sinusoidal function to fit the data. ...
Lesson Planet

The Region Between Two Curves

For Teachers 11th - 12th
Learners find the area between two curves.  In this area between two curves instructional activity, students find the area between the sine and cosine functions.  Learners find the volume of the region when it is rotated around the...
Lesson Planet

Arc Length

For Teachers 11th - 12th
Students determine the length of the sine curve on the interval 0 to 2Pi.  In this length of the sine curve on the interval 0 to 2Pi lesson, students use triangles and rectangles to estimate the arc length of the sine curve.  Students...
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Periodic Waves

For Teachers 9th - 12th
Students explore the concept of periodic waves.  In this periodic waves instructional activity, students determine the amplitude, wavelength, period, and phase shift of sine and cosine graphs.  Students use sliders to change the value of...
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Derivatives: Instantaneous Rate of Change

For Teachers 11th - 12th
Students explore the concept of derivatives.  In this derivatives lesson, students find the derivatives of the cosine function on the Ti-Nspire.  Students use the definition of derivative to find the derivative of the cosine function as...
Lesson Planet

Investigating the Sine and Cosine Functions

For Teachers 9th - 12th
Students explore the concept of sine and cosine.  In this sine and cosine lesson, students collect data from a unit circle about sine and cosine values at different angle measures.  Students graph the sine and cosine data on a coordinate...
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Graphing in Circles

For Teachers 9th - 12th
Students explore the concept of the unit circle.  In this unit circle lesson plan, students create a scatter plot of the sine, cosine, and tangent function using data from the x and y values on the unit circle.  Students generalize the...
Lesson Planet

Graphing In Circles

For Teachers 9th - 12th
Students explore the concept of circles.  In this circles lesson, student take sine and cosine values from the unit circle and plot them on a coordinate plane.  Students discuss the relationship between the sine and cosines graph and the...