Find all values of ? with the given trigonometric function value.sec ? = -
A. 225° + n ? 360°; 315° + n ? 360°, n any integer
B. 45° + n ? 360°; 225° + n ? 360°, n any integer
C. 45° + n ? 360°; 315° + n ? 360°, n any integer
D. 135° + n ? 360°; 225° + n ? 360°, n any integer
Answer: D
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Perform the calculation. Express the answer in degree-minutes-seconds format.214°33' + 57°44'
A. 272°77' B. 18°17' C. 272°17' D. 18°77'
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered triple, if possible.
A. (23 + 12z, -14 - 4z, z) 
B. (23 + 11z, -7 - 4z, z) 
C. (23 + 11z, -14 - 4z, z) 
D. No solution
Solve.0.05(400 + x) - 0.07x = 0.035(400)
A. {310} B. {290} C. {300} D. {150}
Perform a rotation of axes to eliminate the xy-term, and sketch the graph of the conic defined by the function
below.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
?