Find the value of sin 2x when sin x+ cos x = 1......................
Mansi , 8 Years ago
Grade 11
Trigonometry> Find the value of sin 2x when sin x+ cos ...
1 Answers
Arun
Last Activity: 8 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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