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d Calculate ri(t) · r2(t)] and ri(t) x r2(t)] first by differentiating d dt the product directly and then by applying the formulas dt dr2, dri dt d ri(t) - r2(t)] = r{(t) - r2(t) and dt dt d dr2 dri (t) x r2(t)] = r1(t) × x r2(t). dt dt dt ri(t) = cos(t)i + sin(t)j + 7tk, r2(t) = 6i + tk d dt Ir:(t) - r2(t)]: [ri(t) x r2(t)] = dt

d Calculate ri(t) · r2(t)] and ri(t) x r2(t)] first by differentiating d dt the product directly and then by applying the formulas dt dr2, dri dt d ri(t) - r2(t)] = r{(t) - r2(t) and dt dt d dr2 dri (t) x r2(t)] = r1(t) × x r2(t). dt dt dt ri(t) = cos(t)i + sin(t)j + 7tk, r2(t) = 6i + tk d dt Ir:(t) - r2(t)]: [ri(t) x r2(t)] = dt

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 43RE
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Calculate ri(t) · r2(t)] and r:(t) × rą(t)] first by differentiating dt dt the product directly and then by applying the formulas dr2, dri • 2(t) and dt d ri(t) - r2(t)] = r:(t) - dt dt d dr2 , dri (t) x r2(4)] = r1(t) × x r2(t). dt dt ri(t) = cos(t)i + sin(t)j + 7tk, r2(t) = 6i + tk d [ri(t) · r2(t)] =| dt d ri(t) x r2(t)] =| II dt
Transcribed Image Text:Calculate ri(t) · r2(t)] and r:(t) × rą(t)] first by differentiating dt dt the product directly and then by applying the formulas dr2, dri • 2(t) and dt d ri(t) - r2(t)] = r:(t) - dt dt d dr2 , dri (t) x r2(4)] = r1(t) × x r2(t). dt dt ri(t) = cos(t)i + sin(t)j + 7tk, r2(t) = 6i + tk d [ri(t) · r2(t)] =| dt d ri(t) x r2(t)] =| II dt
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