Determine the value of the trigonometric function of ? using the given information.If sin ? = - 
and tan ? = 
, then determine the value of cos ?.
A. 
B. 
C. - 
D. - 
Answer: C
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Find the potential function f for the field F.F = 
A. f(x, y, z) = 
B. f(x, y, z) = x24y9z15
C. f(x, y, z) = x8y3z5
D. f(x, y, z) = x8y3z5 + 3x8y2z5 + 5x8y3z4
Solve the problem.There are 3 cards in a hat; one is a King, one is a Queen, and one is an Ace. Two cards are to be selected at random without replacement. Using a tree diagram , obtain the sample space for the experiment. List the elements that make up the sample space.
A. KQA, QKA, AKQ B. KQ, KA, Q K, Q A, A K, A Q C. KK, K Q , KA, Q K , Q Q , Q A, AK , AQ , A A D. KKQ, KKQ, QAK, AQ A
Translate the problem situation to a system of equations. Do not solve.The difference between two numbers is 16. Three times the smaller number plus the larger number is 48. What are the numbers?
A. x - y = 16; x + 3z = 48 B. x - y = 16; x + 3y = 48 C. x - y = 16; 3x + y = 48 D. x + y = 16; x + 3y = 48
Use the given information to find the unknown length represented by the variable x.A rectangle with a perimeter of 256 feet
x
A. 105 ft B. 2415 ft C. 151 ft D. 128 ft