It's trigo time #3

Geometry Level 2

Which of the following are true?

A. tanθ=tan\theta =sinθcosθ\frac{sin\theta }{cos\theta }

B. sinθcosθtanθ=1cos2θsin\theta \cos\theta \tan\theta =1-cos^2\theta

C. cos2θsin2θ=12sin2θcos^2\theta - sin^2 \theta =1-2sin^2\theta

This is a part of a set: It's trigo time

×

Problem Loading...

Note Loading...

Set Loading...