Multiply and simplify.sin ? (sec ? tan ? + csc ? + cot ?)
A. 1 + 2 sin2 ?
B. sin2 ? - 1 + cos ?
C. sec2 ? + cos ?
D. sin ? + 2 sec ?
Answer: C
Mathematics
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Solve the problem.An ice cream store has 5 flavors. If we pick flavors successively at random, what is the probability that the flavor strawberry will be selected for the first time on pick 9? [the same flavor can be picked more than once]
A. 0.033554 B. 0.000002 C. 0.167772 D. None of the above is correct.
Mathematics
Decide whether or not the ordered pair is a solution of the equation.
; 6x + 5y = 4
A. Yes B. No
Mathematics
Write the equation of the indicated line. Write the equation in slope-intercept form.The line perpendicular to y = 
x + 5 that passes through (4, 4)
A. y = 6x - 28
B. y = - 
x - 
C. y = - 6x + 28
D. y = - 6x - 28
Mathematics
Multiply or divide.- 
÷ 
A. - 
B. 
C. 
D. 
Mathematics