Use a calculator to give the real number value. Round the answer to 7 decimal places.y = cot-1 (2.5181552)
A. 2.1658824
B. 6.8341176
C. 1.1927785
D. 0.3780178
Answer: D
Mathematics
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Find the mean. Round to the nearest tenth.Value Frequency 134 2 187 5 226 3 273 2 363 1 392 1
A. 112.5 B. 227.3 C. 226.3 D. 265.2
Mathematics
Find the function value.If Q(x) = x2 - 6, find Q(-2).
A. 64 B. -2 C. 4 D. -8
Mathematics
Solve.A 33-inch-square TV is on sale at the local electronics store. If 33 inches is the measure of the diagonal of the screen, use the Pythagorean theorem to find the length of the side of the screen.
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics
Write the expression as a constant, a single trigonometric function, or a power of a trigonometric function.tan2? csc2?
A. sec2? B. sin ? C. cos3? D. tan2?
Mathematics