Find the exact value under the given conditions.Given sin ? = - , with ? in quadrant IV, and tan ? = - , with ? in quadrant II. Find cos (? + ?).

A.
B. - 
C. - 
D.


Answer: B

Mathematics

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The argument given or described involves some kind of fallacy. Identify the fallacy.A television commercial shows two people who fall in love while wearing a certain brand of blue jeans.

A. Limited choice B. Appeal to ignorance C. Appeal to emotion D. Hasty generalization

Mathematics

Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = , where t is measured in seconds. If an object falls 78.4 meters before it hits the ground, find the time it took for the object to fall.

A. 16 sec B. 5 sec C. 7 sec D. 4 sec

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A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = bh; b = 8, h = 18

A. 72 B. 26 C. 144 D. 26.5

Mathematics

Plot the point given in polar coordinates.

A.

B.

C.

D.

Mathematics