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Evaluate the sine, cosine, and tangent of the angle without using a calculator.

0 votes
Evaluate the sine, cosine, and tangent of the angle without using a calculator.

- π/6
asked Jan 8, 2015 in TRIGONOMETRY by anonymous

1 Answer

0 votes

Step 1:

The angle is image.

The sine function is odd : image.

image                              ( Since image )

The cosine function is even : image.

image                                ( Since image )

The tangent functions is odd : image.

image                             ( Since image )

Solution :

image, image, and image.

answered Jan 12, 2015 by joseph Apprentice

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