Posted by
**greg** on
.

Solve sin2x + sin4x = cos2x + cos 4x for x in the interval[0,2pi)

Hint: the following substitution should come in handy: sin3x= cos3x . tan3x

Thursday

March 30, 2017
Posted by
**greg** on
.

Solve sin2x + sin4x = cos2x + cos 4x for x in the interval[0,2pi)

Hint: the following substitution should come in handy: sin3x= cos3x . tan3x

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