Friday

March 27, 2015

March 27, 2015

Posted by **Ana** on Wednesday, June 9, 2010 at 9:31pm.

- (sin^2Ø + cos^2Ø)

- Algebra 2 to Reiny -
**Reiny**, Wednesday, June 9, 2010 at 9:41pmyou should have come across the identity

sin^2Ø + cos^2Ø = 1 , called the Pythagorean

so I replaced 1 with that expression

- Algebra 2 to Reiny -
**Ana**, Wednesday, June 9, 2010 at 9:43pmoh. I didn't think to connect it with that. Thank you for pointing it out to me.

**Answer this Question**

**Related Questions**

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

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

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

tigonometry - expres the following as sums and differences of sines or cosines ...

Trig - Simplify sin x cos^2x-sinx Here's my book's explanation which I don't ...

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

Trig....... - I need to prove that the following is true. Thanks (2tanx /1-tan^x...

Mathematics - Trigonometric Identities - Reiny - Mathematics - Trigonometric ...

Math - Which of the following are inverse functions? 1. Arcsin x and sin x 2. ...

math (repost) - Which of the following are inverse functions? 1. Arcsin x and ...