Use the fundamental identities to find the value of the trigonometric function.Find cos ?, given that tan ? = - 
and sin ? > 0.
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Find the exact value of the real number y.y = arcsin 
A. ?
B. 
C. 
D. 
Mathematics
Determine whether the ordered pair given is a solution of the linear inequality in two variables.x ? y + 3; (1, -5)
A. Yes B. No
Mathematics
Solve the problem.The following figure shows the shape and dimensions of a small dam. Assuming the water level is at the top of the dam, find the total force on the face of the dam. Round to one decimal place when appropriate. 
A. 3,266,666.7 N B. 6,533,333.3 N C. 98,000 N D. 9,800,000 N
Mathematics
Write the sentence as an equation. Let the variable x represent the number.The product of 4 and a number increased by 3 is 20.
A. 4x - 3 = 20 B. 4(x + 3) = 20 C. 12x = 20 D. 4x + 3 = 20
Mathematics