Free Printable Trig Identities

1.

tanθ =

a)

1/cosθ

b)

1/sinθ

c)

cosθ/sinθ

d)

sinθ/cosθ

2.

cotθ =

a)

cosθ/sinθ

b)

sinθ/cosθ

c)

tanθ

d)

1/cosθ

3.

$1+\tan^2x=$

a)

$\csc^2x$

b)

$\cot^2x$

c)

$\sin^2x$

d)

$\sec^2x$

4.

Simplify

$\cot\theta\tan\theta$

a)

sin²θ/cos²θ

b)

1

c)

0

d)

cos²θ/sin²θ

5.

Simplify
$\sec\theta\cot\theta\sin\theta$

a)

-1

b)

sin θ

c)

csc θ

d)

1

6.

Simplify

$\cot\theta\sin\theta$

a)

sin²θ

b)

cosθ

c)

tanθ

d)

1- sin²θ

7.

Solve the following for cos²θ:
sin²θ + cos²θ = 1

a)

cos²θ = 1 - sin²θ

b)

cosθ = 1 + sin²θ

c)

cosθ = 1 - sinθ

d)

cos²θ = Adj/hyp

8.

$\sec^2x\ -\ 1\ =$

a)

$\cot^2x$

b)

$\csc^2x$

c)

$\cos^2x$

d)

$\tan^2x$

9.

Match the following

a)

$\frac{1}{\csc\theta}$

1.

sinθ

b)

$\frac{1}{\cos\theta}$

2.

secθ

c)

$\frac{\sin\theta}{\cos\theta}$

3.

tanθ

d)

$\frac{1}{\sin\theta}$

4.

cscθ

e)

$\frac{\cos\theta}{\sin\theta}$

5.

cotθ

10.

$\tan\theta\cos\theta$ can be written in a single trigonometric identity as:

a)

$\cos\theta$

b)

$\sin\theta$

c)

$\sec\theta$

d)

$\cot\theta$

Trig Identities

Total questions: 10

Worksheet time: 2hrs 1mins

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