Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Answer: C
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Determine whether the function is odd, even, or neither.f(?) = 1 + sin2 ?
A. Odd B. Neither C. Even
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Solve the problem.An experimental model for a suspension bridge is built. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 4 inches tall and stand 40 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 6 inches from the lowest point of the cable.
A. 0.56 in. B. 0.36 in. C. 1.44 in. D. 0.16 in.
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = - 
, csc ? > 0Find sin(2?).
A. 
B. 
C. - 
D. 