- #1

Larrytsai

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## Homework Statement

Find parametric equations for the tangent line at the point

(cos (-5*pi/6), sin (-5*pi/6), -5*pi/6) on the curve

x(t) = cos t

y(t) = sin t

z(t) = t

(Your line should be parametrized so that it passes through the given point at t=0).

Im not really understanding the question that well, can anyone help me understand and solve this problem?

## Homework Equations

## The Attempt at a Solution

What I have so far is,

r'(t) = ( - sin t , cos t, 1)

so

x(t) = -sin t + cos(-5pi/6)

thats all I have so far and its wrong.

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