A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find cos ?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Find the area bounded by the x-axis, the curve 
and 
.
A. 3 ln 
B. 
ln 
C. ln 
D. ln 
Mathematics
Find the domain of the given function.f(x) = 
A. all real numbers x where x ? 6
B. all real numbers x where x ? - 
C. all real numbers x where x > 
D. all real numbers x where x > -6
Mathematics
Graph the function. State the amplitude, period, and phase shift.y = 
sin x + 
cos x 
x-scale = 
y-scale = 1
A. Amplitude 3, period 2?,
phase shift 
x-scale =  | y-scale = 1 |
B. Amplitude 1.5, period 2?,
phase shift -
x-scale =  | y-scale = 1 |
C. Amplitude
, period ?, phase shift -
x-scale =  | y-scale = 1 |
D. Amplitude 3, period ?,
phase shift
x-scale =  | y-scale = 1 |
Mathematics
Use properties of logarithms to write the expression in terms of logarithms of x, y, z.loga(8x2yz6)
A. loga8 - 2 logax - logay - 6 logaz B. 12 loga8xyz C. 8 + logay + logaz6 D. loga8 + 2 logax + logay + 6 logaz
Mathematics