cot square30 - 2 cos square60-3/4 sec square 45 -4 sec square 30
Answers
Answered by
0
cot^2 30 - 2 cos^2 60 - 3/4 sec^2 45 - 4 sec^2 30
put the value,
= (√3)^2 - 2 (1/2)^2 - 3/4 (√2)^2 - 4 (2/√3)^2
= 3 - 1/4 - 3/2 -16/3
= 36 - 3 - 18 - 64
= 36 - 85
= -49
Similar questions