Question Number 18284 by tawa tawa last updated on 18/Jul/17
![If k is any possible number. what is the size of angle between the vectors a(K, k) and b(− 3, 4)](https://www.tinkutara.com/question/Q18284.png)
$$\mathrm{If}\:\mathrm{k}\:\mathrm{is}\:\mathrm{any}\:\mathrm{possible}\:\mathrm{number}.\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{size}\:\mathrm{of}\:\mathrm{angle}\:\mathrm{between}\:\mathrm{the}\:\mathrm{vectors} \\ $$$$\mathrm{a}\left(\mathrm{K},\:\mathrm{k}\right)\:\mathrm{and}\:\mathrm{b}\left(−\:\mathrm{3},\:\mathrm{4}\right) \\ $$
Answered by Arnab Maiti last updated on 18/Jul/17
![let A^→ =Ki^](https://www.tinkutara.com/question/Q18287.png)