An airplane took off from an airport and traveled at a constant rate and angle of elevation. When the airplane reached an altitude of 500 m, its horizontal distance from the airport was found to be 250 m. What was the angle when the airplane rose from the ground?

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A: As per Bartleby guidelines rule I am answering only 1st question as both question is different.

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A: Co-Terminal angles are those angle which have common terminal sign

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A: This question can be solved using the concept of trigonometric identities.

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A: 2. y=-cos2x-π63. y=2tan x+π2To Find: Enumerate the properties of the graph of the equations.

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A: a To find a common denominator for 1cos x and cos x1-cos x.b To expand cos x+tan x2 and to simplify.

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A: Here we have to find the value of the given eqaution.

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A: The given problem is solved below in detail.

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Q: How

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A: Explained below

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A: Law of sines : sin Aa = sin Bb = sin Cc

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Q: q.3

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A: Here we will find the polar form of given complex number,

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A: As per our guidelines we are supposed to answer only first three parts. Kindly repost others part as…

Q: Let cosA = −5/13 with A in QIII and sinB = 3/5 with B in QI. Find  tan(A − B).

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