Question

If cos(t) < 0, and sin (t) = 3/5, find cos(t)

Thank you for your help!

Answer 1

And an explanation would be appreciated!~

Answer 2

you should be able to use the trig identity sin^2x+cos^2x=1 for this

Answer 3

Okay Ill try that out! I'll be right back

Answer 4

k

Answer 5

It worked! Thank you guys for your help. :)

Answer 6

sure:)