kellerpaula kellerpaula

23-03-2020
Mathematics

contestada

Trigonometry
Trigonometric Equations
0 ≤ x ≤ 2 π , solve the equation Cos 2θ= √ 2/2

Respuesta :

amna04352 amna04352

23-03-2020

Answer:

θ = π/8, 7π/8, 9π/8, 15π/8

Step-by-step explanation:

cos 2θ= √ 2/2

basic angle = π /4

2θ= π/4

2π - π/4 = 7π/4,

π/4 + 2π = 9π/4,

7π/4 + 2π = 15π/4

θ = π/8, 7π/8, 9π/8, 15π/8

Answer Link

Otras preguntas

Find has coping mechanisms the only work when? This is for drug and alcohol test

Josh is hiking Glacier National Park. He has now hiked a total of 17 km and is 2 km short of being 1/2 half of the way done his hike.

The process of natural selection occurs when __. some individual organisms are better able to find food in their habitat only a certain color of a species wil

After the treaty was signed in 1763, the continent was divided between which two countries?

Find all critical numbers for the following function. Then use the second-derivative test on each critical number to determine whether it leads to a local max

Why do jupiter and saturn have no blue methane cloud tops?

What is the last step in developing a speech outline? a. Write the introduction. b. Insert and label supporting material. c. Develop transitions and the conclus

The 2010 elections where the gop picked up congressional seats was which type of election

A ball is launched into the sky at 272 feet per second from the roof of a skyscraper 1,344 feet tall. The equation for the ball’s height h at time t seconds is

When using the indirect approach to deliver negative news, what does the message open with?