Friday
April 25, 2014

Homework Help: trig

Posted by Carl on Monday, March 26, 2012 at 1:09am.

Prove:
sin(x–y)sin(x+y)=sin^2(x)–sin^2(y)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

tigonometry - expres the following as sums and differences of sines or cosines ...
Calculus - Consider the function f(x)=sin(1/x) Find a sequence of x-values that ...
algebra - Can someone please help me do this problem? That would be great! ...
TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...
Calculus - Consider the function f(x)=sin(1/x) Find a sequence of x-values that ...
Calculus - Consider the function f(x)=sin(1/x) Find a sequence of x-values that ...
Math - Calculus - The identity below is significant because it relates 3 ...
Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...
trig - Reduce the following to the sine or cosine of one angle: (i) sin145*cos75...
Trigonometry - If A + B + C = 180°, Prove that Sin² (A/2) + sin² (B/2) + sin²(C/...

Search
Members