Trig Identities

Front

Is this a pythagorean identity? tan²x + 1 = sec²x

Back

No

Front

sin²x + cos²x = ?

Back

1

Front

1 - sin²x = ?

Back

cos²x

Front

Simplify: 1 + cot²θ

Back

csc²θ

Front

Simplify: tan²θ + 1

Back

sec²θ

Front

What is the Pythagorean identity for sine and cosine?

Back

sin²x + cos²x = 1

Front

What is the relationship between secant and cosine?

Back

sec x = 1/cos x

Front

What is the relationship between cosecant and sine?

Back

csc x = 1/sin x

Front

What is the formula for cotangent in terms of sine and cosine?

Back

cot x = cos x/sin x

Front

What is the double angle formula for sine?

Back

sin(2x) = 2sin(x)cos(x)