Question

Determine the signs of the six trigonometric functions of an angle theta whose terminal side is in quadrant three.

Answer 1

you need to draw a number plane diagram to show the angle

as you can see the x side is negative and the y side is negative and the hypotenuse is positive

so the sin(a) = opp/hyp = -ve/+ve so negative..

just repeat the process for cos, tan sec, cosec and cot.