Question

Solve the trig equation sin2x=1/3

Answer 1

sin2x=1/3

2x=sin^-1(1/3)
x=[sin^-1(1/3]/2

Answer 2

are you sure ?

Answer 3

yes

Answer 4

yeah i got that, but there is more than one answer

Answer 5

sin2x=2sinxcos which is a trig identity

Answer 6

yea
the other answer is
sin2x=1/3

2x=(pie)-sin^-1(1/3)

Answer 7

um as sinx takes the value twice in 0 to pie..

Answer 8

you get it?

Answer 9

@salem yes correct.. so what is x using that formula?

Answer 10

actually in the back it has 4 answers

Answer 11

i got the firs two

Answer 12

4 answers lol

Answer 13

lol yea

Answer 14

actually it has infinite solutions

Answer 15

LOL

Answer 16

sinx is a continuous curve

Answer 17

no sorry forgot to say its from 0 to 2pi

Answer 18

thanks for correction Akshay

Answer 19

umm lol lemme think i have not done trigo for a while.. u gotta use the formulae like sin 2(pie) + x=sinx and stuff

Answer 20

you mean getting the function back to its the original for
or use trig identity for angles

Answer 21

sorry wondermath my brain needs to dig it out now lol .. i will ask some1 to help u :P do u get the concept?

Answer 22

lol okay thanks