Proving Trig Identities

Practice Questions

Pre-Calculus › Proving Trig Identities

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1

Simplify the following:

$sin^3(x)+sin(x)\cdot cos^2(x)$

2

Simplify the following:

$sin^3(x)+sin(x)\cdot cos^2(x)$

3

Evaluate in terms of sines and cosines:

$\frac{sec^2(\theta)}{cot(\theta)}$

4

Evaluate in terms of sines and cosines:

$\frac{sec^2(\theta)}{cot(\theta)}$

5

Simplify the expression $\frac{sin(x)}{cos(x)}\times \frac{1}{cot(x)}$

6

Simplify the expression $\frac{sin(x)}{cos(x)}\times \frac{1}{cot(x)}$

7

Simplify $\frac{cos(x)}{sin(x)}$ .

8

Simplify $\frac{cos(x)}{sin(x)}$ .

9

Simplify $\frac{2}{csc^2(x)}+\frac{2}{sec^2(x)}$

10

Simplify $\frac{2}{csc^2(x)}+\frac{2}{sec^2(x)}$

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