2012
Mathematics
67ca00ce0c643c71d77dee1f
Find dy/dx if y = cosx .
A.
sinx
B.
−sinx
C.
tanx
D.
−tanx
Correct Answer: −sinx
Explanation
If y = cosx dy/dx =—sinx
If y = cosx dy/dx =—sinxTHIS WEEK's
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