Answer:
35
Step-by-step explanation:
Considering the period of the cosine function, it is found that it takes 40 seconds for the wheel to complete one turn.
<h3>What is the period of the cosine function?</h3>
The cosine function is defined by:
f(x) = acos(bx + c) + d.
For the period, we have to look at coefficient b, and the period is:
P = 2π/|B|
For this problem, the function is given by:
h(x) = 15 cos(π/20)
Hence B = π/20, and the period is:
P = 2π/|B| = 2π/(π/20) = 2 x 20 = 40 seconds.
Hence it takes 40 seconds for the wheel to complete one turn.
More can be learned about the period of trigonometric functions at brainly.com/question/12502943
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Answer:
A. 63 degrees
Step-by-step explanation:
Complementary angles are angles that add up to 90 degrees. You can make an equation to solve for angle N:
27 + x = 90
rearrange the equation:
90 - 27 = x
63 = x
Answer:
1200cm
Step-by-step explanation: this is the suface area:)
is in the simplest form it can be since 61 is a prime number.
