Question

if cos 0= square root 2/2 and 3 pi /2 <0<2pi , what are the values of sin 0 and tan0?

Answer 1

@TuringTest do you think you can help me out with this one aswell?

Answer 2

the options i have are

Answer 3

i am stuck in between b and d

Answer 4

@jim_thompson5910

Answer 5

do you think you could help me get out of my doubts by redoing this step by step with me?

Answer 6

how did you get to b and d?

Answer 7

im going to take a picture of what i did , give me a sec

Answer 8

ok

Answer 9

heres what i did

Answer 10

you have the answer. I'm not sure where the confusion is because one of the options (b or d) doesn't match fully with what you got

Answer 11

im confused with the tang, i dont know if it is negative or positive

Answer 12

is sine positive or negative?

Answer 13

im talking about the tang

Answer 14

yes I know, but tan depends on sine and cosine

Answer 15

sine is negative

Answer 16

yes because we're in Q4

Answer 17

tan = sin/cos is negative because sin is negative, cos is positive

Answer 18

so the tangent is negative 1?

Answer 19

yes

Answer 20

thank you!~

Answer 21

can you help me another?