Trig Identities
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mwilliams_20099
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• Question 1
120 seconds
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Q.

tanθ =

1/cosθ

1/sinθ

cosθ/sinθ

sinθ/cosθ

• Question 2
120 seconds
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Q.

cotθ =

1/cosθ

1/cscθ

1/secθ

1/tanθ

• Question 3
120 seconds
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Q.

cotθ =

cosθ/sinθ

sinθ/cosθ

tanθ

1/cosθ

• Question 4
120 seconds
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Q. cscθ=
1/cosθ
1/sinθ
1/tanθ
1/secθ
• Question 5
120 seconds
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Q. secθ=
1/cosθ
1/sinθ
1/tanθ
1/cscθ
• Question 6
120 seconds
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Q.

$1+\tan^2x=$

$\csc^2x$

$\cot^2x$

$\sin^2x$

$\sec^2x$

• Question 7
120 seconds
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Q.

$1+\cot^2x\ =$

$\csc^2x$

$\sec^2x$

$\cos^2x$

$\tan^2x$

• Question 8
120 seconds
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Q.

Simplify

$\cot\theta\tan\theta$

sin²θ/cos²θ

1

0

cos²θ/sin²θ

• Question 9
120 seconds
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Q.

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

-1

sin θ

csc θ

1

• Question 10
300 seconds
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Q.

Simplify

$\cot^2\theta\left(1+\tan^2\theta\right)$

csc²θ

sec²θ

cscθ

1

• Question 11
300 seconds
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Q.

Simplify

$\sin\theta\left(\csc\theta-\sin\theta\right)$

secθ

cos²θ

sin²θ

sin²θ/cos²θ

• Question 12
120 seconds
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Q.

Simplify

$\tan x\csc x\cos x$

1/cos x

1

cot x

-1

• Question 13
120 seconds
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Q.

Simplify

$\cot\theta\sin\theta$

sin²θ

cosθ

tanθ

1- sin²θ

• Question 14
300 seconds
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Q.

Simplify $\left(\sec\theta-1\right)\left(\sec\theta+1\right)$

2secθ

cot²θ

tan²θ

sec²θ + 1

• Question 15
300 seconds
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Q.

Simplify

$\csc\ x\left(\cos x+\sin x\right)$

csc x

tan x + 1

cot x

cot x + 1

• Question 16
300 seconds
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Q.

Simplify $\tan x\left(\cot x\ +\ \csc x\right)$

1 + sec x

1 + csc x

sec x - 1

tan² x

• Question 17
120 seconds
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Q.

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

$\cot^2x$

$\csc^2x$

$\cos^2x$

$\tan^2x$

• Question 18
120 seconds
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Q.

What happens when you multiply two reciprocal functions?

You get a pythagorean identity

It equals 1

You get a quotient identity

It equals 0

• Question 19
300 seconds
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Q.

Simplify  $\left(\csc x+1\right)\left(\csc x-1\right)$

$\csc^2x+1$

$\tan^2x$

$\cot^2x$

$2\csc x$

• Question 20
120 seconds
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Q.

$1-\sin^2x\ =$

$\sin^2x$
$\cos^2x$
$\sec^2x$
$\csc^2x$