Question

What is the angle made by 3i+4j with x-axis?

Answer 1

Answer:

53⁰

Explanation:

You get a right triangle with the configuration as shown in given image.

I want to tell all the viewers of this answer that please memorize the given right triangle configuration, as it is going to help in your exams, like NEET, JEE or boards.

Thanks.

Answer 2

Explanation:

let R be vector

Vertical component = R sin Tetha

Horizontal component = R cos Tetha

. R sin Tetha = R cos Tetha

so, sin Tetha = Tetha 45°

hope u can understand

hope It's help you

plz make as breilient answer