Torque Equation: Find r, fsinθ & T

[moondawg]

Homework Statement

The euqation to find torque with angles is T=r(fsin$$\vartheta$$)

Homework Equations

The Attempt at a Solution

I'm confused to whether or not there is ever any cases in which cos is substituted for sin?

 

[berkeman]

Homework Statement

The euqation to find torque with angles is T=r(fsin$$\vartheta$$)

Homework Equations

The Attempt at a Solution

I'm confused to whether or not there is ever any cases in which cos is substituted for sin?

Why do you say that? Do you know the vector definition of torque? The torque is the radius vector crossed with the force vector, and the vector cross product involves the sin() function.