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Grade: 11
        What is the value of Sinx*Cosx+Sin2x*Cos2x+Sin3x*Cos3x...
2 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
3290 Points
							Dear student

The expression is equivalent to

0.5 ( sin 2x + sin 4x + sin 6x)

Based on options closest simplification can be obtained

Regards
3 months ago
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