Monday

October 20, 2014

October 20, 2014

Posted by **Hannah** on Wednesday, February 10, 2010 at 1:14pm.

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?

**Answer this Question**

**Related Questions**

Pre-cal (Please Check) - 1) Evaluate (if possible) the sine, cosine, and ...

Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...

Calculus - Please look at my work below: Solve the initial-value problem. y'' + ...

math(please help urgent) - 1) Find the values (if possible) of the six ...

Math sin/cos - On a piece of paper draw and label a right triangle using the ...

Math/Calculus - Solve the initial-value problem. Am I using the wrong value for ...

Trig - Evaluate (if possible) the sine,cosine, and tangent of the angle 10pi/3

Inverse trigonometric function - How to solve without calculator 1. sin(arctan(...

Trig - Find the exact values of the six trigonometric functions 0 if the ...

Math - If a and B are two angles in Quadrant 2 such that tan a=-1/2 and tan B= -...