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

Mansi , 7 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 7 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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