lareaper lareaper

13-07-2022
Mathematics

contestada

Which expression is equivalent to sin (pi/12)cos(7pi/12) -cos(pi/12)sin(7pi/12) ?

Respuesta :

Medunno13 Medunno13

20-07-2022

Answer:

-1

Step-by-step explanation:

We see the given expression is equal to sin(pi/12 - 7pi/12), which is equal to sin(-pi/2), or just -1.

Ver imagen Medunno13

Ver imagen Medunno13

Answer Link

Otras preguntas

Use the x-intercept method to find all real solutions of the equation. x^3-9x^2+11x+21=0

Why were the American colonists upset when the British Parliament introduced the Stamp Act of 1765? The act increased the price of all printed forms of paper. T

4. Find the diameter of the circle for BC = 10 and DC = 23. Round to the nearest tenth. The diagram is not drawn to scale. (1 point) 62.9 52.9 7.7 42.9

A sodium nitrate solution is 21.5% (by mass) of nano3 (molar mass = 85.00 g/mol) and the solution has a density of 1.08 g/ml. calculate the molarity (m) of the

what were the causes. and consequences of the US westward expansion

please help thanks a lot

When it comes to weight lost faster if better ,true or false

Write a balanced half-reaction for the reduction of dichromate ion cr2o−27 to chromium ion cr 3 in basic aqueous solution. be sure to add physical state symbols

Find the values of b such that the function has the given maximum value. f(x) = −x2 + bx − 14; Maximum value: 86

Calculate the actual yield for the production of ammonia gas (nh3) from hydrogen and nitrogen gases if the percent yield is 68.2% and you begin with 2.00 kg of