Use a calculator to find the value of y in degrees rounded to two decimal places.y = tan-1 (-5.434)
A. 100.43°
B. -24.24°
C. -79.57°
D. 280.43°
Answer: C
Mathematics
You might also like to view...
Perform the indicated operations.(-2x3 - 5x2) - (-6x3 + 9x2 - 7)
A. -8x3 + 4x2 + 7 B. 4x3 - 14x2 - 7 C. -8x3 + 4x2 - 7 D. 4x3 - 14x2 + 7
Mathematics
Find a function whose graph matches the figure.
A. 5 sin 
B. 10 sin 
C. 5 sin 
D. 10 sin 
Mathematics
Solve the problem.For the equation y = - 
sin(4x + 3?), identify (i) the amplitude, (ii) the phase shift, and (iii) the period.
A.
(i) -  | (ii) -  | (iii) 4 |
B.
(i)  | (ii) -  | (iii)  |
C.
| (i) 2 | (ii) 3? | (iii)  |
D.
(i)  | (ii) -  | (iii) 4 |
Mathematics
Solve the system of equations by the substitution method. Check your solutions.
A. 
B. 
C. 
D. 
Mathematics