Solve using the Quadratic Formula. Show set up then answer 3) 2x2 - 7x - 3 = 0 a = b = C = ±VO²-4(OO X = 20 X = or X =

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A: This question can be solved using the concept of height and distance.

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A: Given  a=39 cm, b=15 cm & c=28 cm To find largest angle:

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A: let the acute angle be θThen cos(θ)=34θ=cos-1(34)

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A: Explanation of the answer is as follows

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A: In given problem we have to find angle of elevation of Sun which can be find out by following way .

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A: Follow the procedure given below.

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A: Partial fraction decomposition Repeated quadratic irreducible factor (x2+4)2=Ax+B(x2+4)+Cx+D(x2+4)2…

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A: Use the trigonometric half angle formula and find the exact value.

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Q: = tan x. bns znoitsailggA 1oolems 43-48, use the figures to evaluate each function if f (x) = sin x,…

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A: I am attaching image so that you understand each and every step.

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A: Follow the procedure given below.