Sunday

December 21, 2014

December 21, 2014

Posted by **Stephanie823** on Saturday, March 10, 2012 at 9:21pm.

cos(t + 2ðk) = cos t or sin(t + 2ðk) = sin t to evaluate each expression. (Enter your answers in exact form.)

(a)

sin(17ð/4)

(b)

sin(−17ð/4)

(c)

cos(17ð)

(d)

cos(45ð/4)

(e)

tan(−3ð/4)

(f)

cos(7ð/4)

(g)

sec(ð/6+2ð)

(h)

csc(2ð −ð/3)

- Pre Calculus -
**Reiny**, Saturday, March 10, 2012 at 11:28pmlook how I answered Kaleen's similar question

http://www.jiskha.com/display.cgi?id=1331432278

**Answer this Question**

**Related Questions**

Pre Calculus - Use one of the identities cos(t + 2ðk) = cos t or sin(t + 2ðk) = ...

Precalculus - Use one of the identities cos(t + 2πk) = cos t or sin(t + 2&#...

Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...

algebra - Can someone please help me do this problem? That would be great! ...

Trig! - The identities cos(a-b)=cos(a)cos(b)sin(a)sin(b) and sin(a-b)=sin(a)cos(...

TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...

Math(Please check) - Use the fundamental identities to simplify the expression. ...

trig - Reduce the following to the sine or cosine of one angle: (i) sin145*cos75...

pre-cal - Simplify the given expression........? (2sin2x)(cos6x) sin 2x and cos ...

pre calc trig check my work please - sin x + cos x -------------- = ? sin x sin ...