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

Use fundamental Identities to find the exact value of the expression. Do not use a calculator.

Sin² 65° + cos² 65°=??..

How would I attempt to solve this problem??

- trigonometry -
**Reiny**, Monday, March 9, 2009 at 4:31pm
1

(by definition)

## Answer This Question

## Related Questions

- Mathamatics - Solve the following trigonometry identities. a) 1-cos2(theta) = ...
- Math - Calculus - The identity below is significant because it relates 3 ...
- Pre Calc - use properties of the trigonometric function to find the exact value ...
- Trigonometry - Find exact value of each expression sec^-1 (2root3) / 5 I have no...
- Algebra 2/ Trigonometry - The expression 4 - cos² A is equivalent to 1)5 - sec² ...
- Please help me solve this - PreCalc - Use identities to find the exact value of ...
- trigonometry - prove that: sin²(3x) + cos²(3x) + sin²(x) - cos²(x) = 0
- Algebra - Use properties of logarithms to find the exact value of each ...
- Math - Use properties of logarithms to find the exact value of this expression. ...
- trigonometry - if cosθ=2/3 and tanθ<0 find the exact value sin(&#...

More Related Questions