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
Answer: Height = 8 m
Step-by-step explanation: We have to find h...
We're given two values
A = 60
B = 15
60 is equal to 1/2 x 15
Solve for h:
h = 60 / (1/2 x 15)
h = 60 divided by 7.5
h = 8
I hope this helps!
Answer:
c. is the answer
Step-by-step explanation:
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