question_answer

The number of solution of the equation  is greater than or equal to\[{{2}^{\cos \,x}}=\,|\,\sin \,x|\] in \[[-2\pi ,\,\,2\pi ]\] is greater than or equal to

A)  1                                

B)  4               

C)  8                                

D)  3

Correct Answer: C

Solution :

 \[{{2}^{\cos \,x}}=\,|\,\sin \,x|\] From graph, 8 solution exist in \[[-2\pi ,\,\,2\pi ]\].