निम्नलिखित समीकरणों को हल कीजिए:
`(i) sin 3x =0 " " (ii) cos 5x =0 " "(iii) tan palpha =0" " (iv) sin ( 5x)/(2) =0 " "(v) cos ^(2) 2x =0`

Answer

अर्थात ` " " x=(2n +1) (pi)/(4), n in Z .`