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sin 3 x=cosx how to solve this one without using formulas for sec and cosec, is it possible?

sin3x=cosx how to solve this one without using formulas for sec and cosec, is it possible?

Grade:12th pass

1 Answers

Aarushi Ahlawat
41 Points
3 years ago
Plot both the functions and see where both becomes equal. Since cubic funtion retain the sign, solution will repeat in first and third quadrant. son add n\pi where n is an interger.

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