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

On a coordinate plane, a curved line crosses the y-axis at (0, 1), crosses the x-axis at (.25, 0), turns at point (2, negative 3), and crosses the x-axis (3.75,

Select the correct answer. As a child, Alex was short for his age. But during his teenage years, his height increased and he surpassed most of his friends. What

In a tank full of water, the pressure on a surface 2 meters below the water level is 1.5 kPA. What's the pressure on a surface 6 meters below the water level ?

Under a federal system, citizens have the opportunity to petition how many different levels of government?

What is the area of a circle with a radius of 1 foot?

In 2000, Tadao Chino, the President of the Asian Development Bank, made the following statement at the World Economic Symposium: “One of such emerging challeng

X^2+ 306 = 16x – 3 Help please it has to be the steps of complete square

Sierra has enough fencing to make the three chicken coops shown. Each has the same perimeter. Which has the greatest area?

what is CLF full form

Tiempo en el que se encuentra conjugado el verbo pintar. Roberto había pintado su casa con anterioridad