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\nTrigonometric Ratios and the Unit Circle\n

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\nThis video explains the definitions of the trigonometric ratios, specifically using the unit circle to determine their values beyond 90 degrees and into negatives. The video demonstrates how to use the unit circle to find the values of...\nThis video explains the definitions of the trigonometric ratios, specifically using the unit circle to determine their values beyond 90 degrees and into negatives. The video demonstrates how to use the unit circle to find the values of sine, cosine, and tangent for acute angles and how to use the CAST diagram to determine whether the functions are positive or negative for different values of Theta. The video also includes an example of how to define the trigonometric ratios of acute angles using the unit circle.\n
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Resource Details

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Curator Rating
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Educator Rating
Not yet Rated
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Media Length
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12:27
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Grade
Higher Ed
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Subjects
Math
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Media Type
Instructional Videos
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Source:
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\nKnowmo Advanced Maths\n\n
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Date
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2018
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Additional Materials

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Concepts

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trigonometric ratios, unit circle, opposite, ratios
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Additional Tags

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as, maths, definitions, and, the, unit, circle, bit trickier, cos theta, straight line, tan theta, opposite side, sine theta, angle theta, final quadrant, adjacent side, top left, angle triangle, positive quadrant, positive height, negative height, side, theta, tan 160, sine 20, line, angle, adjacent, extends, quadrant, sign, diagram
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Classroom Considerations

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Best For: Explaining a topic
Video is ad-free
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Educator Ratings

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\n\" data-title=\"Get Full Access\" data-container=\"body\" rel=\"popover\" tabindex=\"0\" aria-label=\"Play video: Trigonometric Ratios and the Unit Circle\" href=\"/subscription/new\">\"Trigonometric\n\n
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