03-04-2020
Mathematics

contestada

Solve for x if cos(2x+60)=-1

Respuesta :

Hrishii Hrishii

03-04-2020

Answer:

x = 60°

Step-by-step explanation:

[tex] \cos \: (2x + 60) = - 1 \\ \cos \: (2x + 60) = \cos \: 180 \degree \\ 2x + 60 = 180 \degree \\ 2x = 180 \degree - 60 \degree \\ 2x = 120 \\ x = \frac{120}{2} \\ \huge \red{ \boxed{ x = 60 \degree}}[/tex]

Answer Link

Otras preguntas

is the sun considered a star?

By the end of the Civil War, A. the Confederate states had been admitted back into the Union. B. African Americans had gained full citizenship. C. the South’s e

A triangular flower bed (space for planting flowers) needs a thin metal border all the way around it. The sides are 7 feet, 6 feet, and 9 feet long. How many

Are the given lengths 24, 60, 66, sides of a right triangle?

5(wx-v)=9(x+v) make x the subject

what's the answer 375=20g+75??

What does mournful influence mean?

How did Shang priests communicate with the gods? A. They burned incense and watched the smoke for signs from the gods. B. They offered animal sacrifices and the

what is the solution to the equation? 16+x-11=18-5

Four hundred grams of grass seed are used for every 100 m2. Find the amount of seed needed, in kilograms, to cover 3000 m2?