2csc 0--cos Ocsc 0 + cos 0+2csc 0 a 5x Sa 7a A) 4 3 4 3n B) 0, 4 7x 4 T 37 C) 2 2 3 5x D) 2 3

Q: X 18 53°

A: We have to find solutions

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Q: 8) -515°

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Q: tan 0-2cos 0 tan Ocos 0-2cos 0 A) 0, x) В) 0, л, 3 5л 7л C) 6 6 D) n B O A O D

A: I am going to solve the problem by using some simple trigonometry to get the required result of the…

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A: Let's find.

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A: As we know that sin2x+cos2x=1 see below the answer and explanation

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Q: B 11 с 137 X A

A: Given query is to find the value of x.

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A: Given :   Using phytagorean theorem, derived the standard equation of a circle.

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A: This question is based on polar coordinates.

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A: Solution of given question is written in below steps.

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A: The given system of equations,3x+7y+4z=13x-y+3z=12x+7y+3z=1

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A: Solution is done in step 2

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A: We know that Total Profit(T) = profit per item sold(x)×total items sold(y)                 T =…

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A: A detailed solution is given below.