Question

sin theta=-0.5 how is this solved?

Answer 1

sin θ = -0.5
θ = 210 deg or θ = 330 deg

Answer 2

how did u get 210 and 330 ...still dnt understand

Answer 3

210 and 330 are the special degrees in trigono :)
just memorize it

Answer 4

oh so this is something i have to know ...what is the name of it ...of all these formulas called so i can remembe rall of them

Answer 5

this link might useful
http://www.gradeamathhelp.com/trigonometric-table.html

Answer 6

k thanks

Answer 7

welcome :)