Step 1:

The secant of the angle is .

Terminal point of is in quadrant IV.

Threfore except cosine and secant, remainig four trigonometric identities are negative.

.

  and  .

Find the oppsoite side.

Since lies in Quadrant IV,

.

Step 2:

.

Reciprocal identity : .

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Reciprocal identity : .

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Solution:

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.

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