Question

sin^2 30 + 4 cot^2 45 - sec^2 ×30 +1/4 cosec 2 ×30​

Answer 1

sin^2 30 + 4 cot^2 45 - sec^2 ×30 +

1/4 cosec 2 ×30

(1/2)^2+4(1)^2-(2√3)^2+1/4(2/√3)

3.2053

Answer 2

(1/2)^2+4(1)^2-(2/√3)^2+1/4(2)^2

1/4+4-4/3+1/4×4

1/4-4/3+1+4

3-16+12+48/12

47/12

3.08

hope it helps.