Identity Trigonometry

Front

cos ² x + sin ² x=

Back

1

Front

What is csc(x) equivalent to?

Back

1/sin(x)

Front

Is this a Pythagorean identity? tan²x + 1 = sec²x

Back

No

Front

Rewrite tan(x) in terms of sin(x) and cos(x).

Back

tan(x) = sin(x)/cos(x)

Front

Select the correct solution: csc x, sec x, cot x, tan x

Back

tan x

Front

*

Back

tan x

Front

Which of the following is not a pythagorean identity? cot²x + 1 = csc²x, csc²x + 1 = cot²x, cot²x - csc²x = -1, csc²x - cot²x = 1

Back

csc²x + 1 = cot²x

Front

Reciprocal identity: cos x =

Back

1/sec x

Front

Simplify (Hint: you will need to FOIL first)

Back

tan²θ

Front

Simplify: secθ, cos²θ, sin²θ, sin²θ/cos²θ

Back

cos²θ