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a ship s is slighted from the lighthouse B and U which are 16 km apart. if angle SBU = 46 and angle SUB = 65. find the distance from s to the nearest lighthouse.
verify the identities.
sin^4 x- cos^4 x= 2sin^2 x- 1
5. Emily is standing on a bridge, looking down at a boat on the river. She knows that the bridge is 12m high, and estimates that the angle of depression between her and the boat is 55. How far is the boat from the base of the bridge, to the nearest tenth of a metre?
sin pi/3 + (1/2)sin 2pi/3 + (1/3) sin 3pi/3 + ................... infinity
Which of these is coterminal with 30 degrees? -30 degrees? 690 degrees? 150 degrees? -330 degrees?
What is 6 radians in DMS? 1080 degrees? 360 degrees? 343 degrees 46 minutes and 29 seconds? What would be the appropriate answer for using MyMathLabs, if you are aware of how the program functions?
The angle of elevation of the top of a tree is found to be 33° at one point and 59° at a top a point 31 ft. nearer the tree. How high is the tree if both observation points and the base of the tree are in the same horizontal plane?
If f(x) = int(x), find the given functional value.

f(-9.1)
Determine if the given function is even, odd or neither.

5a. f(x)=x^5-x

5b. f(x)=5

5c. f(x)=x^4+2x^3
If f(x) = int(x), find the given functional value.

f(-14.321)
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