sin(x + a) - NCERT Class XI Mathematics - Limits and Derivatives ...

NCERT Class XI Mathematics - Limits and Derivatives - Solutions

Question : 57 of 72

Marks: +1, -0

sin(x + a)

Solution:

Let f(x) = sin (x + a) ... (i)

Differentiating (i) with respect to x, we get

\frac{d}{dx}

( f (x)) = cos (x + a) ⋅(1 + 0) = cos(x + a)

∴

\frac{d}{dx}

[sin (x + a)] cos (x + a)

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