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What is the rectangular form of 4sin(θ)+4cos(θ)=4?

Science & Mathematics by Anonymous 2018-05-18 21:39:16

Social Science

What is the rectangular form of 4sin(θ)+4cos(θ)=4?

1 answer

  • Anonymous

    4 sin(θ) + 4 cos(θ) = 4 multiply both sides by r 4r cos(θ) + 4 r sin(θ) = 4r 4x+4y = 4sqrt(x^2+y^2) x+y = sqrt(x^2+y^2) square both sides x^2+y^2+2xy = x^2+y^2 2xy = 0 xy = 0

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