Solving 2 Equations: Find \varthetaa & \varthetab

[weedannycool]

Homework Statement

i have 2 equations:

400cos $$\vartheta$$_a = 300 + V_acos45

and

400sin $$\vartheta$$_b = V_bsin45

Homework Equations

The Attempt at a Solution

i have no clue, maybe square it.

 

[Mark44]

Homework Statement

i have 2 equations:

400cos $$\vartheta$$_a = 300 + V_acos45

and

400sin $$\vartheta$$_b = V_bsin45

Homework Equations

The Attempt at a Solution

i have no clue, maybe square it.

You have two equations in four variables, so there's no way to get a unique solution for all four.

 

[Mark44]

The OP has corrected this problem and started a new thread here: https://www.physicsforums.com/showthread.php?t=400289