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(sin-1 x)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate.
3
A. 
B. 
C. 
D. 3
Mathematics
Determine whether the given point is in the solution set to the given system.(4, 6)y = 
+ 4y = 
A. Yes B. No
Mathematics
Write using radical notation. Then, simplify, if possible.1000-7/3
A. -10,000,000
B. 
C. Cannot be simplified
D. - 
Mathematics
Simplify.i19 - i13
A. 2i B. -2i C. -2 D. 0
Mathematics