Find the Integral $\int \left( \sin 7 t \mathbf { i } + \cos 7 t \mathbf { j } + e ^ { - t / 5 } \mathbf { k } \right) d t$

Q27: Find <span class="ql-formula" data-value="\mathbf {

Q28: Find an expression for <span

Q29: Find the velocity, acceleration, and speed

Q30: Find the position vector of a

Q31: Find <span class="ql-formula" data-value="\mathrm {

Q33: Find the unit tangent vector

Q34: Let C be a smooth curve

Q35: Find the velocity of a particle

Q36: Find the velocity of a particle

Q37: Find parametric equations for the tangent