Trigonometry! #151

Geometry Level 3

The number of solutions to the equation sin 2 x + cos 2 x + sin x + cos x + 1 = 0 \sin 2x+\cos 2x+\sin x+\cos x+1=0 in [ 0 , 2 π ] [0,2\pi] is

This problem is part of the set Trigonometry .

4 3 2 6

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1 solution

Rohit Ner
Feb 27, 2015

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