Answer:
A
Step-by-step explanation:
An isosceles right triangle has two legs the length x and the hypotenuse equal to x√2.
D would equal 50/81 I think?
The value of cos 4x from the given identity is 0.999
<h3>Trigonometry identity</h3>
Given the cosine identity
cos8x = 13/36
Determine the value of x
8x = arccos(13/36)
8x = 0.36111
x = 0.36111/8
x = 0.04514
Determine the value of cos4x
cos4x = cos4(0.04514)
cos4(0.04514) = 0.999
Hence the value of cos 4x from the given identity is 0.999
Learn more trig identity here; brainly.com/question/7331447
About Slope Intercept Form:
- y = mx + b
- m represents the slope
- b represents the y-intercept or AKA the starting point
ABOUT PROBLEM:
- Since -3/2 is the slope, it represents m in Slope Intercept Form
- Since -5 is the y-intercept, it represents b in Slope Intrecept Form
y = mx + b
y = -3/2x + -5 --- IN Slope Intercept Form
Hope this helps you!!! :)