IDENTITAS TRIGONOMETRI

Front

1-cos^2x = ?

Back

sin^2x

Front

Sin^2x = ?

Back

1-cos^2x

Front

Sin2x = ?

Back

2sinxcosx

Front

Cosec x = ?

Back

\frac{1}{sin x}

Front

cos2x = ?

Back

1-2sin^2x

Front

What is the Pythagorean identity?

Back

sin^2x + cos^2x = 1

Front

What is the definition of tangent?

Back

tan x = \frac{sin x}{cos x}

Front

What is the definition of cotangent?

Back

cot x = \frac{1}{tan x} = \frac{cos x}{sin x}

Front

What is the double angle formula for sine?

Back

sin(2x) = 2sinxcosx

Front

What is the double angle formula for cosine?

Back

cos(2x) = cos^2x - sin^2x