Question

PLEASE HELP
How do you factor
10Sin^2+3Sin-4=0

Answer 1

What comes after sin² ?

Answer 2

+3sin-4

Answer 3

oh sorry

Answer 4

10Sin(theta)^2+3sin(theta)-4=0

Answer 5

So i think we must factor, but i can't find one that works

Answer 6

Any ideas?

Answer 7

Try this: Let \(\sin \theta\) be \(x\) then factor.

Answer 8

yeah, thats what my teacher taught me. But i can't find how to factor this normally

Answer 9

You can factor this normally.

HINT: (2x _ ___)(5x _ ___)

Answer 10

Oh ok, i'll try that. One sec. at first i tried 10x, x

Answer 11

We can use -1, and +4

Answer 12

so then theta would be +1/2 and -4/5

Answer 13

i just wrote down the question i remember. Would it ask what the exact values of <theta>360?

Answer 14

Would i have 4 answers or something?