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

Please help me please help me help please
plz help with this 6th one
North America is not directly north of South America. What term best describes the direction you would travel in going from Brazilian Highlands to the Great Pl
What US president helped save football as we know it?
Find the product of 3 1/5 and 5/8 . Express your answer in simplest form.
Questions for the story "mother tongue" what point is tan making with the example of her mother and the hospital? What point is she making with the examp
Eli is making pancakes. He places the pancake batter on a pan. The pan sits on a stove. The stove uses electricity to heat up the pan. What are examples of matt
solve pls brainliest
The central idea of The Tower of London Prison (20 points) will mark brainliest
what type of economy does russia germany and united kingdom have