TRIG IDENTITIES: 1 - (cos^2x / 1+sinx) A. -cos^2x B. cosx C. sinx

Mnuzzo asked May 11, 2023

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13 votes

TRIG IDENTITIES:
1 - (cos^2x / 1+sinx)

A. -cos^2x
B. cosx
C. sinx

Mnuzzo asked May 11, 2023

2.6k points

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29 votes

Answer:

C)
sinx

Explanation:

$1-(cos^2x)/(1+sinx)\\\\1-(1-sin^2x)/(1+sinx)\\ \\1-((1+sinx)(1-sinx))/(1+sinx)\\\\1-(1-sinx)\\\\sinx$

JOberloh answered May 17, 2023

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