write the given expression as a monomial containing a single function or a constant.
1-cos^2 phata?

Question

write the given expression as a monomial containing a single function or a constant.
1-cos^2 phata?

anonymous · Answer

are you familiar with the trigonometric Pythagorean identities?

anonymous · Answer

no i do not know where to even begin.

anonymous · Answer

This is called an identity because it is always true for all values of the variable$$\cos ^{2}\theta+\sin ^{2}\theta=1$$it is called "Pythagorean" since it is derived directly from that famous theorem.  Your expression contains two of the three terms in the identity.  You just need to rearrange accordingly. try...

anonymous · Answer

Hint:  make one side of the equation I provided look like the one you provided in your question.  It is one algebraic manipulation.