Question

FInd the values of

(a) sin 120

cos 120

tan 120

cosec 120

sec 120

(b) sin 135

cos 135

tan 135

cosec 135

sec 135

(c) sin 150

cos 150

tan 150

cosec 150

sec 150

(d) sin 300

cos 300

tan 300

cosec 300

sec 300

(e) sin 330

cos 330

tan 330

cosec 330

sec 330

Answer 1

value of sin 120 is root3/2 then find other following values like sin120=sin(180-60)=sin60=root3/2