dCalculate ri(t)·r2(t)] andri(t) × r2(t)] first by differentiatingdt'dtthe product directly and then by applying the formulasddr2 , dri[ri(t) r2(t)] = r1(t)dtr2(t) anddtdtd[ri(t) x r2(t)] = ri(t) ×dr2drix r2(t).dtdtdtr1(t) = 2ti + 8t²j+ 8t°k, r2(t) = t*kri(t) - r2(t)]d[ri(t) × r2(t)] =dt

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Calculate ri(t) · r2(t)] and [ri(t) × r2(t)] first by differentiating dt dt the product directly and then by applying the formulas dr2 ri(t) · r2(t)] = r(t)- = r1(t). d dri r2(t) and dt dt dr2 , dri + dt d [ri(t) × r2(t)] = ri(t) × dt x r2(t). dt r1(t) = 2ti + 8t?j+8t°k, r2(t) = t*k d [r:(t) · r2(t)] dt d [r1(t) × r2(t)] : dt %D

Calculate ri(t) · r2(t)] and [ri(t) × r2(t)] first by differentiating dt dt the product directly and then by applying the formulas dr2 ri(t) · r2(t)] = r(t)- = r1(t). d dri r2(t) and dt dt dr2 , dri + dt d [ri(t) × r2(t)] = ri(t) × dt x r2(t). dt r1(t) = 2ti + 8t?j+8t°k, r2(t) = t*k d [r:(t) · r2(t)] dt d [r1(t) × r2(t)] : dt %D

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter6: The Trigonometric Functions

Section6.4: Values Of The Trigonometric Functions

Problem 23E

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