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Find the value of 2x if sin x+ cos x=1 ,..............................

Find the value of 2x if sin x+ cos x=1 ,..............................

Grade:11

1 Answers

Arun
25750 Points
6 years ago
if we square both the sides, we get
sin^2x+ cos^2x + 2sinx cosx=1
1+ sin2x = 1
sin2x = 0
thus 2x will be n\pi radian where n is any integer

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