Question

The magnitude of components of a vector $\overrightarrow{a}$ along x and y axis respectively are

• A. $\text{a cos}\theta ,\text{a sin}\theta$
• B. $\text{a sin}\theta ,\text{a cos}\theta$
• C. $\text{a sec}\theta ,\text{a sin}\theta$
• D. $\text{a tan}\theta ,\text{a cos}\theta$

Answer 1

The correct option is A $\text{a cos}\theta ,\text{a sin}\theta$

Components of vector $\overrightarrow{a}$ in x and y directions are shown in figure.