10th Grade Double Angle Formulas Quizzes, Questions & Answers

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Double Angle Formulas Quizzes By Grade

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Double-Angle Applications with Pythagorean Identity Quiz

Double-angle Applications With Pythagorean Identity Quiz

In this quiz, you’ll connect double-angle formulas to geometry, triangles, and the unit circle. You’ll apply sin(2θ) and cos(2θ) to find missing trig values, model angles on the coordinate plane, and...

Questions: 20 | Attempts: 10 | Last updated: Oct 31, 2025

Sample Question 1
If sinθ = 3/5 and θ is in Quadrant II, find cosθ.

4/5

−4/5

−3/5

3/5

Sample Question 2
If cosθ = −7/25 and θ is in Quadrant III, find sinθ.

24/25

7/25

−7/25

−24/25

Sample Question 3
Given sinθ = −12/13 and θ is in Quadrant IV, compute cosθ.

5/13

−5/13

12/13

−12/13