Math, asked by dgngare, 8 months ago

find the acute angle x given that cos x° = sin 2 x°

Answers

Answered by Subharashmi

2

Answer:

Step-by-step explanation:

cosx=sin2x

cosx=2sinxcosx

2sinx=cosx/cosx

2sinx=1

sinx=1/2

x=30°

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