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

A family uses 12,986.64 Swiss francs per year to pay a mortgage that requires US dollars. Approximately how much, in US dollars, does the family spend per month

The builders of the transcontinental railroad used legal and illegal means to cut costs and finance construction. Which of the following were legal means? (Se

Which is a sentence fragment? A. This morning the sunrise was spectacular. B. We bought milk, bread, and eggs. C. A pencil, four sheets of paper, and a rule

How violence used by the characters to deal with their emotions? (the outsiders)?

Right speech · Right action · Right effort · Right mindfulness · Right concentration These are five of the eight most important aspects of what ideology

Explain how you know that the sum of 12.6,3.1,and 5.4 is greater than 20.

How did building New England towns and cities around a common help colonies develop a diverse economy?

Thomas' grandfather is 100. Thomas' grandfather is 10 times older then Thomas.How old is Thomas?

1.49 convert decimal to a fraction

I don't get exponents