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write the expression as the sine, cosine, or tangent of an angle.

0 votes

write the expression as the sine, cosine,

or tangent of an angle.

trigonometric-functions

asked Jan 21, 2015 in TRIGONOMETRY by anonymous

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1 Answer

0 votes

step 1:

The expression is

From the trigonometric identity

Write the expression in above summation form.

Solution:

answered Jan 21, 2015 by cameron Mentor

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