Question

evalute tan2 60° +4cos2 45° +3 sec 2 30 °+5cos2 90°/cosec -30°+sec 60°-cot2 30°​

Answer 1

Answer:

tan^260+4cos^245+3sec^230+5cos^290/cosec30+sec60-cot^230

=(√3)^2+4(1/√2)^2+3(2/√3)^2+5(0)^2/2+2-(√3)^2

=3+4(1/2)+3(4/3)+0/4-3

=3+2+4+0/1

=9