stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Jack' s quiz game Flashcards | StudBud
Jack' s quiz game
1 / 8
Which one is Pythagorean Identities
A
\sin^2θ+\cos^2θ=1
B
\sin(α+β)=\sinα\cosβ+\cosα\sinβ
C
\cos2θ=2\cos^2θ-1
D
\cos2θ=\cos^2θ-\sin^2θ
Next
0
0
correct · 0:00
