Posted by
**Hannah** on
.

1) Evaluate (if possible) the sine, cosine, and tangent of the angles without a calculator.

a) 10pi/3

Sin = -sqrt 3/2

Cos = -1/2

Tan = sqrt 3

Are these correct ? I do not understand when to make them negative.

b) 17pi/3

Sin = -sqrt 3/2

Cos = 1/2

Tan = - sqrt 3

Are these correct?