Use vectors to find the measure of the angle at vertex B of triangle ABC, when A = (3,1), B = (-4, 3), and C = (-4,-2). Round answer to two decimal places. O 75.39⁰ O 71.96⁰ O 76.57⁰ O 74.05° O 72.86°

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A: Given query is to find first 4 terms.

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A: Since you have asked multiple question, we will solve the first question for you as per our guide…

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Q: 28. The radian measure of an angle of 1° is (a) 57.3 (b) 0.017 (c) 1 (d) 565 (e) 0.009

A: topic- degree to radian conversion π radians=180°

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A: The rectangular equation is x2+y2-2x=0

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A: To show that LHS=RHS

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A: Note: Since you have posted multiple questions we will solve the first question for you. If you want…

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A: This is a problem related to area of the circle. Based on the general formula and concept we will…

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A: Given query is to find the measure of angle B

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A: We have to for x

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A: Since we are given with the multiple number of question and our guideline is solve first question…

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A: The given problem is solved below details.

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A: Given query is to find the distance of the ship from the light house.

Q: 17. The reference angle for = -420° is (a) -60° (b) 30° (c) 60° (d) 420° (e) does not exist

A: This question can be solved by looking at the position of the terminal side of the angle.

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Q: Answer the ff: Find the values of x in 4 cos2 x = 1

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Q: A. Written Work/s: ACTIVITY 1: Find the six trigonometric functions of 0 for the following…

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Q: 희 3

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Q: Find the exact value of the function: arcsin(1)

A: arcsin1 can be written as sin-11. The value of sinθ is equal to 1 when θ=π2.

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