Find the exact value of the indicated trigonometric function of ?.tan ? = - 
, 90°< ? < 180°Find cos ?.
A. 
B. -8
C. - 
D. 
Answer: C
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 8, u '(2) = 2, v(2) = -1, v '(2) = -5.
(2u - 4v) at x = 2
A. 20 B. 24 C. 12 D. -16
Provide an appropriate response.The graph of y = (x8)x has two horizontal tangent lines. Find equations for both of them.
A. y = e1/e and y = e-1/e B. y = e4/e and y = e-4/e C. y = e8/e and y = e-8/e D. y = e8e and y = e-8e
For the given polar equation, write an equivalent rectangular equation.r = -8 csc ?
A. y = -8 B. -8y = 1 C. x = -8 D. -8x = 1
Solve the problem.Golden Oaks Apartments has a replacement cost of 
and is insured for 
A fire loss is for 
Find the amount of loss paid by the company. Assume an 80% coinsurance clause.
A. $19,000 B. $11,400 C. $15,200 D. $14,281