Find the exact value of the indicated trigonometric function for the acute angle a: Given: sin a=5/13, Find: cos a and tan a

asked Jun 18, 2022 159k views

1 vote

Find the exact value of the indicated trigonometric function for the acute angle a:

Given: sin a=5/13, Find: cos a and tan a

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6 votes

Answer:

cos a = 12/13

tan a = 5/12

You use these properties to solve the question,

sin²a+cos²a=1

tana=sina/cosa

Nistix answered Jun 22, 2022

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