Evaluate the trigonometric function.
?
What will be an ideal response?
Mathematics
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The hydrogen ion concentration of a solution is 0.007 mol/L [H+]. What is the pH of this solution?
A. 0.007 B. 11.8 C. 2.2 D. 1.02
Mathematics
Use the accompanying table to find the solutions to the given equation on 
csc ? - sec ? = 0
Y1 = 1/sin(X)-1/cos(X)
A. 135°, 315° B. 45°, 225° C. None D. 90°, 180°, 270°
Mathematics
Substitute the value(s) for the variable(s) and then evaluate.9p ÷ 42; p = 32
A. 18 B. 9 C. 272 D. 36
Mathematics
Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Mathematics