It's trigo time #3
Geometry
Level
2
Which of the following are true?
A. \(tan\theta =\)\(\frac{sin\theta }{cos\theta }\)
B. \(sin\theta \cos\theta \tan\theta =1-cos^2\theta \)
C. \(cos^2\theta - sin^2 \theta =1-2sin^2\theta \)
This is a part of a set: It's trigo time
by
Syed Hamza Khalid