Find the value of 2x if sin x+ cos x=1 ,..............................
Mansi , 8 Years ago
Grade 11
Trigonometry> Find the value of 2x if sin x+ cos x=1 ,....
1 Answers
Arun
Last Activity: 8 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
radian where n is any integer
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