Saturday

July 26, 2014

July 26, 2014

Posted by **Anonymous** on Monday, November 3, 2008 at 9:42pm.

- calculus -
**drwls**, Tuesday, November 4, 2008 at 3:12amsin and cos are not inverse functions, in the sense that the sin of (cos x) is not equal to 1.

Cosx is the derivative of sinx, but

-sinx is the derivative of cos x.

**Related Questions**

Math - Calculus - The identity below is significant because it relates 3 ...

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

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

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

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

Calculus - Use a trig identity to combine two functions into one so you can ...

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

Calculus 12th grade (double check my work please) - 1.)Find dy/dx when y= Ln (...

calculus - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x...

Trigonometry - Please review and tell me if i did something wrong. Find the ...