Math, asked by sowrabhshetty, 1 year ago

find the value of θ ( 0 < θ < 90 ) if 2cos^2θ = 1/2

Answers

Answered by sprao534

1

Answer:

cos^2A=1/4

cosA=1/2 since A lies in 1 st quadrant

cosA =cos60°

A=60°

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