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karlerx0jlo4veu karlerx0jlo4veu
  • 13-12-2016
  • Mathematics
Answered

Cos^2 theta-sin^2 theta=0

Verified Answer :

MathisLif3
MathisLif3 MathisLif3
  • 13-12-2016

cos^2t=1-sin^2t
-sin^2t=-1+cos^2t
Addition gives sin^2t+cos^2t = 1
________________
ah I see your question
let n be an integer
then (2n-1)pi/4 is the solution

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