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

Given question is in attachment
What is a 'call to action' in regards to persuasive speaking?
WILL GIVE BRAINLIEST IF ANSWERED QUICK!! I GIVE GOOD RATINGS FOR GOOD ANSWERS!
A curva (ou fronteira) de possibilidades de produção (CPP) expressa a capacidade máxima de produção da sociedade, supondo pleno emprego dos recursos ou fatores
Sino ang mas malawak ang kapangyarihan sa sistemang monarkiya
What are the values of c and f?
4 important details that establish john lewis character/morals
Rewards and Punishment examples
Hồi quy phương trình wage ~ age + log(schooling) + tenure + gender + origin + science + social với mô hình hồi quy tuyến tính để trả lời các câu hỏi sau. Câu 1
What does The Bachelor give to the women he wants to stay on the show each week?