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Use the Quotient Rule to differentiate the function

0 votes

Use the Quotient Rule to differentiate the function

asked Jan 20, 2015 in CALCULUS by anonymous

1 Answer

0 votes

Step 1:

(a)

The function is image

Apply derivative on each side.

image

Quotient Rule of derivatives : image.

image

image

image

image

Trigonometric reciprocal identity : image.

image

The derivative of the function is image.

Step 2:

(b)

The function is image

Rewrite the expression.

image

Trigonometric reciprocal identity : image.

image

The simplified expression is image.

Step 3:

(c)

The simplified function is image.

Apply derivative on each side.

image

The derivative of the simplified function is image.

The derivative of function and the simplified function are same.

Solution :

The derivative of the function is image.

answered Jan 20, 2015 by Lucy Mentor

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