Sunday

April 20, 2014

April 20, 2014

Posted by **tina** on Thursday, January 31, 2013 at 10:49pm.

- trig -
**Reiny**, Thursday, January 31, 2013 at 11:46pmcos(π/2 - Ø) = sinØ , complementary angle property

then

cos(+pi/2-theta)/csctheta+cos^2theta

= cos(π/2-Ø) * 1/cscØ + cos^2 Ø

= sinØ ( sinØ) + cos^2 Ø

= sin^2 Ø + cos^2 Ø

= 1

**Related Questions**

trig - given that 1/2pi<theta<pi and sin theta=1/5, use appropriate ...

trig - e.g. tan 315 = -1, does that work in our equation ?? Yes, thank you again...

Trigonometry - Checking my work - Find the sum of the three smallest positive ...

trig - If sin theta = x and -pi/2 is less than or equal to theta less than or ...

Trig - Which expression equivalent to: cos(theta + pi/2). A)cos theta B)-cos ...

trig - given that cos(theta)= (3/5) and sin (theta)<0, find sin(2 theta) cos...

math - There are no typos and no work b/c I don't know how to do them. Thanks. 1...

trig 26 - simplify to a constant or trig func. 1. sec ²u-tan ²u/cos ²v+sin ²v ...

trig identities - Find the exact value of cos (2theta) given csc theta = 8/3 and...

Algebra II - Which of the following expressions are not equal to 1? A) sin^2 ...