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Find the value of sin 2x when sin x + cos x is equals to 1.......

Find the value of sin 2x when sin x + cos x is equals to 1.......

Grade:11

1 Answers

Arun
25758 Points
5 years ago
given sinx + cosx = 1
on squaring both the sides
sin2x + cos2x + 2 sinx cosx = 1
1 + 2 sinx cosx = 1
1+ sin2x =1
sin2x = 0

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