Homework Help: Pre-Cal

Posted by Janet on Monday, March 1, 2010 at 3:56pm.

1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.

67 degrees and 30'

Please explain!! I do not know how to start.

Pre-Cal - Reiny, Monday, March 1, 2010 at 4:51pm
http://www.jiskha.com/display.cgi?id=1267478813

Answer this Question

Related Questions

Pre-Cal - 1) Use the half-angle formulas to determine the exact values of the ...
Pre-Cal(Please help) - 1) Use the half-angle formulas to determine the exact ...
Math - 1) use the half-angle formulas to determine the exact values of the sine...
Pre calc - Use the half-angle formulas to determine the exact values of the sine...
MATH - 1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL ...
Math-Trigonometry - Use the half-angle formulas to find the exact values. Cosine...
trig - The terminal side of an angle includes the point (5,-12). Give the sine, ...
trig - A coil of wire rotating in a magnetic field induces a coltage E=20sin((...
precal - use the half angle formula to determine the exact values of sin, cos, ...
Math sin/cos - On a piece of paper draw and label a right triangle using the ...

For Further Reading

First Name:
School Subject:
Answer: