17 questions
1
Which of the following is not a pythagorean identity?
cot2x + 1 = csc2x
csc2x + 1 = cot2x
cot2x - csc2x = -1
csc2x - cot2x = 1
Reciprocal identity: cos x =
1/csc x
1/sec x
1/sin x
1/cos x
Simplify...
Simplify...
Simplify...
1
Simplify (Hint: you will need to FOIL first)
sinθ
cot²θ
tan²θ
cos²θ
Simplify.
tan2x
sinx
cot2x
cosx