Find \(\frac{\mathrm d y}{\mathrm d x}\) if \(y = \cos x\).
a
\(\sin x\)
b
\(- \sin x\)
c
\(\tan x\)
d
\(- \tan x\)
Explanation
Correct Option
bVideo Explanation
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PureDanny
5 years ago
Damian is right
dy/dx of sin X = cos X
dy/dx of cos X = - sin X
Please correct it
