Wednesday

September 17, 2014

September 17, 2014

Posted by **Amber** on Monday, March 9, 2009 at 4:30pm.

Sin² 65° + cos² 65°=??..

How would I attempt to solve this problem??

- trigonometry -
**Reiny**, Monday, March 9, 2009 at 4:31pm1

(by definition)

**Answer this Question**

**Related Questions**

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

MATH - 1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL ...

Pre Calculus - ok I appologize for my stupidity... I'll answer your question... ...

Trigonometry - Identities - If tan 2x = - 24/7, where 90 degrees < x < 180...

Pre Calc - use properties of the trigonometric function to find the exact value ...

Trigonometry - I'm confused about how to get the answer of this question. If cos...

Math- Trig - 1. Determine the exact value of cos^-1 (pi/2). Give number and ...

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

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

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