netoisbeautiful6887 netoisbeautiful6887
  • 04-06-2018
  • Mathematics
contestada

Find the exact value of sin(11pi/12)cos(pi/6)-cos(11pi/12)sin(pi/6)

Respuesta :

Аноним Аноним
  • 04-06-2018
We use the identity  sin (A - B) = sin A cos B - cos B sin A

so the above  = sin (11pi/12 -  pi/6) = sin 3pi/4 =  1 / sqrt2 answer
Answer Link

Otras preguntas

Tamara recycles 29.5 pounds of aluminum cans at a recycling center that pays $0.26 per pound how much does she make
A six-sided number cube is rolled 900 times. How many times is it expected that a number greater than 4 will be rolled?
help me with this help me with this help me with this help me with this help me with this help me with this help me with this help me with this help me with thi
Convert -264° to radian measure. Round your answer to the nearest hundredth.
Ocean lies north of Europe and covers the North Pole. The A. Atlantic B. Arctic C. Indian D. Pacific Please select the best answer from the choices provided. Α
a farmer has 100m for fence avaibiable, with which he intends to build a pen for his sheep. he intends to create a rectangular pen against a permanent stone wal
What did the Romans build as a step toward environmental management?
if quadrilateral tuvw is reflected across the x axis to become quadrilateral T'U'V'W' what will be the coordinates of W'
270 is 75% of what number?​
I need help on this question for math please!