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Sir sinx + cosx = 0 …

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Sir sinx + cosx = 0 how ??

Posted by Priyanka Bhakat 4 years, 6 months ago

CBSE > Class 12 > Mathematics

1 answers

Aman Shree 4 years, 6 months ago

1. Write cos x = sin(90-x). 2.Then, Use formula to expand Sin x + Sin(90-x) 3. We will get x= (nπ+3π/4)

2Thank You

ANSWER

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