Mathematics, 15.07.2019 09:30 broach605
Arrange the steps in the correct order to solve: sin 3pi/4 cos pi/12
Answers: 1
![\bf \textit{Product to Sum Identities} \\\\ sin(\alpha)cos(\beta)=\cfrac{1}{2}[sin(\alpha+\beta)\quad +\quad sin(\alpha-\beta)]\\\\ -------------------------------\\\\ sin\left( \frac{3\pi }{4} \right)cos\left( \frac{\pi }{12} \right)\implies \cfrac{1}{2}\left[ sin\left( \frac{3\pi }{4}+\frac{\pi }{12} \right) ~~+~~sin\left( \frac{3\pi }{4}-\frac{\pi }{12} \right)\right]](/tpl/images/0091/9937/df238.png)
![\bf \cfrac{1}{2}\left[ sin\left( \frac{9\pi+\pi }{12} \right) ~~+~~sin\left( \frac{9\pi-\pi }{12} \right)\right] \\\\\\ \cfrac{1}{2}\left[ sin\left( \frac{10\pi }{12} \right) ~~+~~sin\left( \frac{8\pi }{12} \right)\right]\implies \cfrac{1}{2}\left[ sin\left( \frac{5\pi }{6} \right) ~~+~~sin\left( \frac{2\pi }{3} \right)\right] \\\\\\ \cfrac{1}{2}\left[\cfrac{1}{2}~~+~~\cfrac{\sqrt{3}}{2} \right]\implies \cfrac{1}{2}\left[ \cfrac{1+\sqrt{3}}{2} \right]\implies \cfrac{1+\sqrt{3}}{4}](/tpl/images/0091/9937/b8132.png)
Another question on Mathematics
Mathematics, 21.06.2019 18:30
1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation
Answers: 1
Mathematics, 21.06.2019 19:10
Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?
Answers: 1
Mathematics, 21.06.2019 19:30
Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit
Answers: 2
Mathematics, 22.06.2019 00:00
This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1
Answers: 2
You know the right answer?
Arrange the steps in the correct order to solve: sin 3pi/4 cos pi/12...
Questions
Mathematics, 01.12.2020 19:30
Biology, 01.12.2020 19:30
Social Studies, 01.12.2020 19:30
Social Studies, 01.12.2020 19:30
Mathematics, 01.12.2020 19:30
Mathematics, 01.12.2020 19:30
English, 01.12.2020 19:30
Physics, 01.12.2020 19:30
Mathematics, 01.12.2020 19:30
