Establish the identity.
2 = 1 - sin x
What will be an ideal response?
2 = 
2 = 
- 2
+ 
= 1 - 2
= 1 - 2
= 1 - sin x
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Complete the equation so the result is an identity. 1 - 
= sin2x
A. cos2x B. cot2x C. sec2x D. tan2x
Solve the problem.A box of supplies that weighs 1500 kilograms is suspended by two cables as shown in the figure. To two decimal places, what is the tension in the two cables? 
A. Tension in right cable: 1098.08 kg; tension in left cable: 776.46 kg B. Tension in right cable: 776.46 kg; tension in left cable: 723.54 kg C. Tension in right cable: 723.54 kg; tension in left cable: 776.46 kg D. Tension in right cable: 776.46 kg; tension in left cable: 1098.08 kg
Solve the problem.Two machines are turned on at 8:00 A.M. If one can produce 39 items each hour and the other can produce 41 items each hour, at what time will they produce a total of 480 items?
A. 2:00 P.M. B. 3:00 P.M. C. 3:30 P.M. D. 1:00 P.M.
Simplify the radical.7
A. 29
B. 126
C. 21
D. 18