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Trigonometry
rpvvyvd_16850
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• Slide 1
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Trigonometry

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• Question 2
30 seconds
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Q.

$\cos\ 45^o\ =\ ....$

$\frac{1}{2}\sqrt{2}$

$\frac{1}{2}\sqrt{3}$

$\frac{1}{2}$

$\frac{1}{3}\sqrt{3}$

• Question 3
30 seconds
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Q.

$\cos\ 60^o\ =\ ....$

$\frac{1}{2}\sqrt{2}$

$\frac{1}{2}\sqrt{3}$

$\frac{1}{2}$

$\frac{1}{3}\sqrt{3}$

• Question 4
30 seconds
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Q.

$\cos\ 30^o\ =\ ....$

$\frac{1}{2}\sqrt{2}$

$\frac{1}{2}\sqrt{3}$

$\frac{1}{2}$

$\frac{1}{3}\sqrt{3}$

• Question 5
60 seconds
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Q.

tan2x + 1 =

csc2x

sec2x

sec2x - 1

cscx

• Question 6
60 seconds
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Q.

1 - sin2x =

cos2x

cos2x+1

csc2x

tan2x

• Question 7
180 seconds
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Q.

Simplify (sec2x)(1 - sin2x)

-cos(x)

1

-1

-sin(x)

• Question 8
300 seconds
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Q.

Simplify (Hint: you will need to FOIL first)

sinθ

cot²θ

tan²θ

cos²θ

• Question 9
30 seconds
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Q.

Simplify...

$\frac{\cot\left(\theta\right)\sin\left(\theta\right)}{\cos\left(\theta\right)}$

$\sec\left(\theta\right)$

1

• Question 10
30 seconds
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Q.

Simplify...

$\cos\left(\theta\right)+\sin\left(\theta\right)\tan\left(\theta\right)$

$\sec\left(\theta\right)$

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

• Question 11
30 seconds
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Q.

$\frac{\tan x}{\sec x}$

$\cos x$

$\csc x$

$\cot x$

$\sin x\$

• Question 12
45 seconds
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Q. Is this a pythagorean identity?
tan2x + 1 = secx
Yes
No
• Question 13
45 seconds
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Q. Please select the correct solution
cos 2 x + sin x=
1
csc 2 x + sec 2 x
sinx
1 - sinx
• Question 14
180 seconds
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Q. What is the length of the side opposite ∠X?
16
30
34
• Question 15
30 seconds
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Q.

Which trigonometric ratio should you use?

Tangent Ratio

Sine Ratio

Cosine Ratio

Any ratio

• Question 16
30 seconds
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Q.

Which trigonometric ratio should you use?

Tangent Ratio

Sine Ratio

Cosine Ratio

Any ratio

• Question 17
30 seconds
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Q.

Which trigonometric ratio should you use?

Tangent Ratio

Sine Ratio

Cosine Ratio

Any ratio

• Question 18
30 seconds
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Q.

Which trigonometric ratio should you use?