![\bf \textit{Product to Sum Identities} \\\\ sin(\alpha)sin(\beta)=\cfrac{1}{2}[cos(\alpha-\beta)\quad -\quad cos(\alpha+\beta)]\qquad \leftarrow \textit{we'll use this one} \\\\\\ cos(\alpha)cos(\beta)=\cfrac{1}{2}[cos(\alpha-\beta)\quad +\quad cos(\alpha+\beta)] \\\\\\ sin(\alpha)cos(\beta)=\cfrac{1}{2}[sin(\alpha+\beta)\quad +\quad sin(\alpha-\beta)]](/tpl/images/0156/4011/a11af.png)
![\bf cos(\alpha)sin(\beta)=\cfrac{1}{2}[sin(\alpha+\beta)\quad -\quad sin(\alpha-\beta)] \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sin(5x)sin(3x)\implies \cfrac{cos(5x-3x)-cos(5x+3x)}{2}\implies \cfrac{cos(2x)-cos(8x)}{2}](/tpl/images/0156/4011/1cf53.png)
Sin(5x)sin(3x)
express the given product as a sum or difference containing only sines or cosin...
Mathematics, 01.08.2019 01:20 babygirltori21538
Sin(5x)sin(3x)
express the given product as a sum or difference containing only sines or cosines.
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 17:10, shayneseaton
Find the value of x for which the lines are parallel.
Answers: 1
Mathematics, 21.06.2019 19:00, Brendah4962
Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7
Answers: 2
Mathematics, 21.06.2019 22:00, iamsecond235p318rq
Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6
Answers: 1
Mathematics, 21.06.2019 22:30, BigGirlsTheBest
At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?
Answers: 1
You know the right answer?
Questions in other subjects:
Social Studies, 02.01.2020 22:31
Business, 02.01.2020 22:31
