Multiply and simplify.(1 + cot ?)2
A. cos2? - cot ?
B. csc2? + 2 cot ?
C. 1 + 2 sin2?
D. sin ? + csc ?
Answer: B
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Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round the answer to the nearest tenth.B = 22°, b = 16.8, a = 22.42
A. A = 150°, C = 8°, c = 6.2 B. No triangle exists. C. Solution 1: A = 30°, C = 128°, c = 35.3 Solution 2: A = 150°, C= 8°, c = 6.2 D. A = 30°, C = 128°, c = 35.3
P( X ? 3)
The probability density function of X is f (x) = 5 x6 over [1, ?)
Find the probability of the given event if a year is selected at random.New Year's Day falls on January 1.
A. 
B. 0
C. 1
D. 
Write out the first five terms of the sequence.{n2 - n}
A. 0, 3, 8, 15, 24 B. 0, 2, 6, 12, 20 C. 2, 6, 12, 20, 30 D. 1, 4, 9, 16, 25