Simplifying/Verifying Trig Identities

Front

If sinθ = 3 / 5 and θ is in Q II, find tan θ.

Back

-3 / 4

Front

Simplify: (sin²θ + cos²θ)

Back

1

Front

What is the Pythagorean identity?

Back

sin²θ + cos²θ = 1

Front

If cosθ = 4/5, find sinθ in Q I.

Back

3/5

Front

What is the definition of tangent in terms of sine and cosine?

Back

tanθ = sinθ / cosθ

Front

Simplify: 1 + tan²θ

Back

sec²θ

Front

What is the reciprocal of sine?

Back

cscθ

Front

If sinθ = 1/2, find cosθ in Q I.

Back

√3/2

Front

What is the definition of cotangent?

Back

cotθ = 1/tanθ = cosθ/sinθ

Front

Simplify: sin²θ / cos²θ

Back

tan²θ