+2 votes
in JEE by kratos

The number of solutions of the equation 1 + sin4 x = cos2 3x, x ∈ [-5p/2 , 5p/2] is :

(1) 5 (2) 3 (3) 7 (4) 4

1 Answer

+1 vote
by kratos
 
Best answer

Correct option (1) 5

Explanation:

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