Posted by **Lucy** on Saturday, April 19, 2008 at 3:56pm.

Find cos theta if sin theta = 3/5 and 90 degrees<theta<180 degrees.

Is the answer -sqrt34/5?

Appreciate you checking my anwers.

## Answer This Question

## Related Questions

- Algebra II - Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)...
- Trig(continued) - 2)Find the solution of sin2 theta = cos theta if 0 -< theta...
- Calculus - I wanted to confirm that I solved these problems correctly (we had to...
- Trig(3 all with work) - 1)Find the exact value of cos 105 by using a half-angle ...
- trig 30 - If cos^2 theta -6 sin 2 theta =0, one value of theta is a)0 degrees b...
- Pre Calc. - Use the sum or difference identity to find the exact value of sin255...
- trigonometry - can you correct the rest for me please? Express each as a ...
- trigonometry - can you correct the rest for me please? Express each as a ...
- trigonomtry - can you correct the rest for me please? Express each as a function...
- Algebra II - Multiple Choice Which expression is NOT equivalent to 1? (theta) ...

More Related Questions