Solve the problem.When a pendulum of length 13 cm has swung so that ? is the radian measure of the angle formed by the pendulum and a vertical line, then if h cm is the vertical height of the pendulum above its lowest point, 
Find the vertical height when 
A. 22
B. 5.8
C. 12
D. 0.17
Answer: B
Mathematics
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Evaluate the integral.
A. - 
- 
tan-1
+ C
B. 
- 
tan-1
+ C
C. 
+ 
ln
+ C
D. 
+ 
tan-1
+ C
Mathematics
Use a graphing calculator to make a conjecture as to whether each equation is an identity.(sin x + cos x)2 = 1
A. Identity B. Not an identity
Mathematics
Factor completely.64a3 - 125b3
A. (4a - 5b)(16a2 + 25b2) B. (4a - 5b)(16a2 + 20ab + 25b2) C. (4a + 5b2)(16a2 - 20ab + 25b2) D. (64a - 5b)(a2 + 20ab + 25b2)
Mathematics
Find all complex zeros of the polynomial function, and write the polynomial in completely factored form.f(x) = x3 + 7x2 + 20x + 14
A. f(x) = (x + 1)(x + 3 + i
)(x + 3 - i
)
B. f(x) = (x - 1)(x + 5 + 3i)(x - 5 - 3i)
C. f(x) = (x - 1)(x + 5 + 3i)(x + 5 - 3i)
D. f(x) = (x + 1)(x + 3 + i
)(x - 3 - i
)
Mathematics