Trigonometric Ratios for Finding Angles

Intro to Trig Ratios

Multiple Choice

In relation to the angle θ, label the side marked c in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Multiple Choice

In relation to the angle θ, label the side marked a in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Multiple Choice

Which side of the triangle is adjacent to angle R?

• QP

• QR

• RP

Multiple Choice

Which side of the triangle is opposite of angle R?

• QP

• QR

• RP

Multiple Choice

In relation to the angle θ, label the side marked a in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Multiple Choice

In relation to the angle θ, label the side marked b in this right-angled triangle.

• Hypotenuse

• Adjacent

• Opposite

Multiple Choice

Which is the correct ratio for the tangent ratio?

• $$\frac{adjacent\ }{hypotenuse}$$

• $$\frac{opposite\ }{hypotenuse}$$

• $$\frac{adjacent\ }{opposite\ }$$

• $$\frac{opposite\ }{adjacent\ }$$

Multiple Choice

Which is the correct ratio for the cosine ratio?

• $$\frac{adjacent\ }{hypotenuse}$$

• $$\frac{opposite\ }{hypotenuse}$$

• $$\frac{adjacent\ }{opposite\ }$$

• $$\frac{opposite\ }{adjacent\ }$$

Multiple Choice

Which is the correct ratio for the sine ratio?

• $$\frac{adjacent\ }{hypotenuse}$$

• $$\frac{opposite\ }{hypotenuse}$$

• $$\frac{adjacent\ }{opposite\ }$$

• $$\frac{opposite\ }{adjacent\ }$$

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Multiple Choice

What is the correct ratio?

• 6/10
• 6/8
• 8/10
• 8/6

Multiple Choice

What is the correct ratio?

• 20/12
• 12/20
• 12/16
• 16/12

Multiple Choice

What is the correct ratio?

• 7/24

• 24/7

• 7/25

• 24/25

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To find sin, cos, or tan of any angle:

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