Jan 4, 2018 · int\\ 1/sin^2(x)+cos(2x)\\ dx=1/2sin(2x)-cot(x)+C First, I will split up the integral into two parts: int\\ 1/sin^2(x)+cos(2x)\\ dx=int\\ 1/sin^2(x)\\ dx + int\\ cos(2x)\\ dx I will call the left …

Jan 12, 2017 · dy/dx=2x-1/sqrt(1-x^2) The derivative of y will be the sum of the derivatives of x^2 and cos^-1x. We will find these separately. DERIVATIVE OF bb(x^2) Since you're expected to …

May 17, 2015 · The - sign in the question should be a +. 1/(1-cos theta)+1/(1+cos theta) = (1/(1-cos theta))((1+cos theta)/(1+cos theta)) + (1/(1+cos theta))((1-cos theta)/(1-cos ...

Sep 9, 2016 · Prove identity Use the trig identities: 1 + cos 2a = 2cos^2 a sin 2a = 2sin a.cos a P = (2cos^2 t)/(2sin t.cos t) = (cos t)/(sin t) = cot t

Apr 5, 2018 · See below. cos^2(x)-1/2 Add: (2cos^2(x)-1)/2 Identity: color(red)bb(cos(2x)=2cos^2(x)-1) Substituting: (cos(2x))/2 1/2cos(2x)

Oct 7, 2016 · #(1-2cos^2theta)/(sintheta cos theta) = tan theta-cot theta# Right Side: #=tan theta-cot theta# #=sin theta/cos theta - cos theta/sin theta#

How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle

6664 views around the world You can reuse this answer ...

Aug 6, 2016 · #int (1+cos^2(x)) / sin(x) dx# is just crying out for the application of the Pythagorean identity #=int (1+ color(red)(1 - sin^2 x)) / sin(x) dx#

Oct 19, 2015 · How do you find all the solutions for #2 \sin^2 \frac{x}{4}-3 \cos \frac{x}{4} = 0# over the