Trigonometry Basics

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Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find cos(C).

• 5/13

• 12/5

• 12/13

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△ABC is a right-angled triangle with ∠ABC = 90°. If AB = 9 cm and AC = 15 cm, find tan∠BAC.

• 3/5

• 4/5

• 3/4

• 4/3

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Find sin(A).

• 12/17

• 13/17

• 12/13

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• True
• False

Draw a triangle △DEF where sin ∠DEF= 3/5. Label the vertices and side lengths.

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Find the area of the following parallelogram.

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• 18.4

• 19.5

• 70.5

• 71.6

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• 0

• 1/2

• 1

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