4x^-2(a^+b^)4x^-2(a^+b^)x+a^b^=0
Solve for x...... Pls
ishina:
somebody please solve my question..
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(x/a)cos(θ) + (y/b)sin(θ) = 1 and (x/a)sin(θ) - (y/b)cos(θ) = 1
Squaring both equations and adding them:
(x²/a²)*cos²(θ) + 2(xy/ab)cos(θ)sin(θ) + (y²/b²)*sin²(θ) + (x²/a²)sin²(θ) - 2(xy/ab)cos(θ)sin(θ) + (y²/b²)*cos²(θ) = 2
Therefore:
x²/a² + y²/b² = 2
Squaring both equations and adding them:
(x²/a²)*cos²(θ) + 2(xy/ab)cos(θ)sin(θ) + (y²/b²)*sin²(θ) + (x²/a²)sin²(θ) - 2(xy/ab)cos(θ)sin(θ) + (y²/b²)*cos²(θ) = 2
Therefore:
x²/a² + y²/b² = 2
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hope it helps you dear friend
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