Question

For x greater than or equal to zero and less than or equal to 2 π, sin x and cos x are both decreasing on the intervals 
A. (0 , π/2) 
B. (π/2 , π) 
C. (π , 3 π / 2) 
D. (3 π / 2 , 2 π)​

Answer 1

Answer:

Option B

Step-by-step explanation:

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