burhan101
Find the slope of the tangent at 6.5
for the following equation: D(t)=1.5cos[0.575(t3.5)]+3.8



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ZakaullahUET
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burhan101
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i can not use calculus to solve this question

burhan101
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burhan101
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i just dont understand what to do after i substitute

ZakaullahUET
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burhan101
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yeah after plunging everything in what do i do ?

ZakaullahUET
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dont plug in, use the rules derived from that

burhan101
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i dont remember :S

ZakaullahUET
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just use deriacative of cos

burhan101
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what do you mean by that ?

ZakaullahUET
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burhan101
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i am not allowed to use derivatives :$

siBerman
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The derivative is the slope of the tangent, so you're saying your not allowed use the answer to get the answer?

abb0t
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lol