14 If r = (1-cos t) i+(t-sin t)j then find dr/dt.
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Answer:
The answer dr/dt=(sint)i+(1-cost)j
Step-by-step explanation:
Given equation,
r=(1-cos t) i+(t-sin t)j
We know that , derivation of 1 is zero(0)
dr/dt=(0+sint)i+(1-cost)j
dr/dt=(sint)i+(1-cost)j
Therefore dr/dt of (1-cos t) i+(t-sin t)j is (sint)i+(1-cost)j
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