# Trigonometry Worksheet: Double Angle Formula (1)

##### This *Trigonometry Worksheet: Double Angle Formula (1)* worksheet also includes:

Students use the double angle formula to solve one problem. They are given the problem: if sin(a)=3/5, and a is an acute angle, use the double angle formula to find exact values of given sin, cosign, and tangent within the quadrant of angle 2a.

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