Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.cos(tan-1 x)
A. 
B. 
C. x
D. 
Answer: B
Mathematics
You might also like to view...
Match the description with the appropriate rational function.There is a "hole" in its graph at x = 4.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics
Add the polynomials. Express your answer in standard form.(x - x2 + 6) + (7 - 2x2 + x3)
A. x3 - 3x2 + 13x B. x3 - 3x2 + x + 13 C. x3 + 3x2 + x + 13 D. x3 - 1x2 + x - 13
Mathematics
Rewrite as an equivalent exponential equation. Do not solve.log8
= -3
A. (
)3 = 8
B. 8-3 = 
C. 38 = 
D. 8512 = 3
Mathematics
Solve.18 - (2y - 2) = 2(y + 2) + 4y
A. 4
B. 
C. 2
D. 
Mathematics