Tuesday

January 27, 2015

January 27, 2015

Posted by **Courtney** on Tuesday, November 20, 2012 at 4:12pm.

(a) csc 30deg

(b) sin pi/4

- Pre-calc -
**Reiny**, Tuesday, November 20, 2012 at 4:33pmSomewhere in your notes or your textbook you should have diagrams of the 30-60-90 and the 45-45-90 right-angled triangles and their sides.

remember csc30° = 1/sin30° , which you should know

and π/4 =45°, and you should know that as well

**Answer this Question**

**Related Questions**

Pre-Cal - evaluate the trigonometric functions by memory or by constructing ...

Pre-Calc - Find the values of the trigonometric functions of è from the ...

Alg2/Trig - Find the exact value of the trigonometric function given that sin u...

Trigonometric Functions - Determine the Value of all six trigonometric functions...

Math - The hypotenuse of,c of right triangle ABC is 7.0 m long. A trigonometric ...

Trigonometry - Hello all, In our math class, we are practicing the trigonometric...

verifying trigonometric identities - How do I do these problems? Verify the ...

pre calc - evaluate the trigonometric function of the given quadrantal angle. ...

Pre Calc - evaluate the trigonometric function of the given quadrantal angle. ...

Pre-Cal - Suppose è is an acute angle of a right triangle. For this function, ...