Thursday

January 29, 2015

January 29, 2015

Posted by **Tiffany** on Sunday, March 11, 2012 at 5:13pm.

I f(x)=(sin^2* x)/2

II f(x)=(cos^2* x)/2

III f(x)=-cos(2x)/4

- calculus -
**bobpursley**, Sunday, March 11, 2012 at 5:18pmWhy dont you in your head take the derivate of the answers?

d sin^2 x/2= 1/2 sinx cosx * 2

**Answer this Question**

**Related Questions**

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

Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...

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

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

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

antiderivatives - i need the antiderivative of sinxcosx dx for intergral pie/2 ...

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

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

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

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