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### Problem 2
Given a vector \( A \) of magnitude 20 units at \( 130^\circ \), with components along vectors \( B \) and \( C \). \( B \) points at \( 80^\circ \) and \( C \) at \( 210^\circ \). Determine the magnitudes of \( B \) and \( C \).

We can solve this using the vector components method:
1. **Vector \( A \) components**:
   - \( A_x = A \cos(130^\circ) \)
   - \( A_y = A \sin(130^\circ) \)

2. **Vector \( B

Uraikan sebuah vector A yang mempunyai besar 20 unit dan arah 130° ke dalam dua vector B dan C. B mempunyai arah 80° dan C mempunyai arah 210°. Tentukan besar dari B dan C.

Learn how to decompose vector A, which has a magnitude of 20 units and a direction of 130°, into its components B and C. B has a direction of 80° and C has a direction of 210°. Follow a step-by-step trigonometric approach to find the magnitudes of B and C. Ideal for students in grades 10-12.

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