Question

if two vectors are at any other angle (besides opposite or same direction), 1 point you must _. add subtract multiply use a method like parallelogram or trigonometric functions

Explanation:

When two vectors are at an angle other than opposite or same - direction, we cannot simply add, subtract or multiply them in a basic way. We use methods such as the parallelogram law or trigonometric functions to find the resultant vector or perform operations related to them.

Answer:

D. use a method like parallelogram or trigonometric functions