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Use the half-angle formulas to simplify the expression.

0 votes

Use the half-angle formulas to simplify the expression.

asked Jan 22, 2015 in TRIGONOMETRY by anonymous

1 Answer

0 votes

Step 1:

The trigonometric expression is .

Using half - angles formula : .

.

Solution :

.

answered Jan 23, 2015 by joseph Apprentice

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