将参数方程化为普通方程1.x=t^4+1 y=t^2+1 (t为参数)2.x=sina+cosa y=sina*cosa (a为参数)3.x=2-3t/1+t y=1+4t/1+t (t为参数)第1题要有过程,2、3最好有.
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![将参数方程化为普通方程1.x=t^4+1 y=t^2+1 (t为参数)2.x=sina+cosa y=sina*cosa (a为参数)3.x=2-3t/1+t y=1+4t/1+t (t为参数)第1题要有过程,2、3最好有.](/uploads/image/z/2532667-67-7.jpg?t=%E5%B0%86%E5%8F%82%E6%95%B0%E6%96%B9%E7%A8%8B%E5%8C%96%E4%B8%BA%E6%99%AE%E9%80%9A%E6%96%B9%E7%A8%8B1.x%3Dt%5E4%2B1+y%3Dt%5E2%2B1+%28t%E4%B8%BA%E5%8F%82%E6%95%B0%292.x%3Dsina%2Bcosa+y%3Dsina%2Acosa+%28a%E4%B8%BA%E5%8F%82%E6%95%B0%293.x%3D2-3t%2F1%2Bt+y%3D1%2B4t%2F1%2Bt+%28t%E4%B8%BA%E5%8F%82%E6%95%B0%29%E7%AC%AC1%E9%A2%98%E8%A6%81%E6%9C%89%E8%BF%87%E7%A8%8B%2C2%E3%80%813%E6%9C%80%E5%A5%BD%E6%9C%89.)
将参数方程化为普通方程1.x=t^4+1 y=t^2+1 (t为参数)2.x=sina+cosa y=sina*cosa (a为参数)3.x=2-3t/1+t y=1+4t/1+t (t为参数)第1题要有过程,2、3最好有.
将参数方程化为普通方程
1.x=t^4+1 y=t^2+1 (t为参数)
2.x=sina+cosa y=sina*cosa (a为参数)
3.x=2-3t/1+t y=1+4t/1+t (t为参数)
第1题要有过程,2、3最好有.
将参数方程化为普通方程1.x=t^4+1 y=t^2+1 (t为参数)2.x=sina+cosa y=sina*cosa (a为参数)3.x=2-3t/1+t y=1+4t/1+t (t为参数)第1题要有过程,2、3最好有.
(1)x=(t^2)^2+1
x=(y-1)^2+1
x=y^2-2y+1+1
y^2-2y-x+2=0
(2)因为sin^2a+cos^2a=1
(sina+cosa)^2-2sina*cos=1
x^2-2y=1
(3)11-5y-3x=0
(y-1)^2=x
x^2=2y+1
11-5y-3x=0