Sin2x – InterviewSolution

1.

Sin2x

Answer»

2sinxcosx is the right answer

sin2x can be written as cos(90-2x)and it can also be written as 2 sinx cosx thank you

2 sinxcosx is the right answer....

sin2x = cos(90-2x) cos(90-2x)= 2sinx cosx2sinx cosx is the right answer

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