Question

Can you please help me with signs of trig functions?
Look at pic

Answer 1

sin=y/x

Answer 2

cos=x/y

Answer 3

sin= = opp/hyp

cos = adj.hyp

tan = opp/adj

Answer 4

For table, q1 are all positive, q2 are all negative, q3 are all positive, q4 are all negative right?

Answer 5

no wait

Answer 6

q1 are positive, q2 all negative, q3 all negative, q4 all positive

Answer 7

Look at the unit circle definitions of the trig functions. Not the triangle definitions.

Answer 8

Nope~~
I -> all
II -> sin +ve only
III -> tan +ve only
IV -> cos +ve only

Answer 9

Way to learn,
ALL
SILVER
TEA
CUPS