If cos θ = 7/25, use the Pythagorean Identity to find tan θ. 7/24 24/25 24/7 25/24 explain why please

asked Jan 20, 2015 210k views

5 votes

If cos θ = 7/25, use the Pythagorean Identity to find tan θ.

7/24
24/25
24/7
25/24
explain why please

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7 votes

cos Ф = 7 /25

sin² Ф = 1 - cos² Ф = 1 - 49/625 = 576/625

sin Ф = 24/25

tan Ф = sin Ф / cos Ф = 24/25

Dyson answered Jan 25, 2015

by Dyson

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