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受欢迎的微积分 >

tangent-3cos(x)

解答

切线

- 3 cos (x)

解答

y = 3 sin (a_{0}) x - 3 cos (a_{0}) - 3 sin (a_{0}) a_{0}

求解步骤

计算在一般点

x = a_{0}

的切线

找到切点:

(a_{0}, - 3 cos (a_{0}))

计算

y = - 3 cos (x)

的斜率:

\frac{d y}{d x} = 3 sin (x)

EN : T i tl e G e n er a l Eq u a t i o n Sl o p e A t P o in t 2 Eq : m = 3 sin (a_{0})

找到斜率 m=

3 sin (a_{0})

且穿过

(a_{0}, - 3 cos (a_{0}))

的直线:

y = 3 sin (a_{0}) x - 3 cos (a_{0}) - 3 sin (a_{0}) a_{0}

y = 3 sin (a_{0}) x - 3 cos (a_{0}) - 3 sin (a_{0}) a_{0}

作图

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