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Limits L'Hospital's Rule

Solve step by step using L'Hospital's Rule.

asked Jan 27, 2015 in CALCULUS by MathGuy Novice

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The given answer is: 1-cos(x) .

commented Jan 28, 2015 by MathGuy Novice

1 Answer

Step 1:

The expression is .

Rewrite the expression.

Simplify the expression.

Trigonometric sum formula:

Rewrite the expression.

If , then .

Using Trigonometric Property of limits: .

Trigonometric half-angle formula: .

Solution:

answered Jan 29, 2015 by Lucy Mentor

Please explain:

commented Jan 29, 2015 by anonymous

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