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solve the multiple-angle equation.

0 votes

solve the multiple-angle equation.

asked Jan 21, 2015 in TRIGONOMETRY by anonymous

1 Answer

0 votes

Step 1:

The trigonometric equation is image.

Assume image.

Multiply and divide  right hand side by image.

image

image

image

image.

Step 2:

If image ,then the general solution for cosine function is image, where image is an integer.

image

Replace image with image.

image

image

image

Solution:

Solution for multiple angle equation is image

answered Jan 21, 2015 by cameron Mentor

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