4) sin 플 3 - COS 6
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FInd the exact value of the expression. Please see attached. Thank you.
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- 9 Simplify cos[arccsc((2√3)/3)]. 1/2 no solution √3/2と ii) Sin 20 eosoalSinIf the root of C.E. are (-2, -2, 0, ±2i) then yH = (a) A + Be-2x + Be-2* + Dcos2x + Esin2x (b) A + (B + Cx)e-2x + (D + Ex)cos2x (c) Ae* + (B + Cx)e-2x + Dcos2x + Esin2x (d) A + (B + Cx)e-2x + Dcos2x + Esin2x O e. None of these O a o d O b
- Q2) By use Trigonometric Substitutions find S 100 dx 36+25x?5. Find the limits of the sequence with the general term as given. You need not use the definition of limit, but show your steps and cite any theorems you use in your work.Suppose that an airplane is asked to stay in a holding pattern near an airport. The distance of the plane to the airport is described by the following. d (t) = 130+79 sin 9. (증) In this equation, d (t) is the distance of the plane to the airport (in miles), and t is the time (in minutes) after the plane enters the holding pattern. During the first 9 minutes after the plane enters the holding pattern, when will the plane be 170 miles from the airport? Do not round any intermediate computations, and round your answer(s) to the nearest hundredth of a minute. (If there is more than one answer, enter additional answers with the "or" button.) t = minutes O or O