Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Express angle A in terms of b. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = tan-1 
B. A = sin-1 
C. A = sin-1 
D. A = cos-1 
Answer: D
Mathematics
You might also like to view...
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 4 - x2 and the x-axis, with density ?(x) = 2x2
A. 
= 0, 
= 
B. 
= 
, 
= 0
C. 
= 0, 
= 
D. 
= 0, 
= 
Mathematics
Solve the equations.y2 = 15
A. 225
B. 7.5
C. 
D. ±
Mathematics
Solve the equation by the Square Root Method.x2 = 49
A. {24.5} B. {8, -8} C. {7} D. {7, -7}
Mathematics
Simplify the expression. Write the answer using positive exponents.(xy)-8
A. -8xy
B. 
C. -x8y8
D. 
Mathematics