Question

4tan square 30 degree + cosec square 60 degree minus 1 upon sec square 45​

Answer 1

Step-by-step explanation:

4(1/√3)^2 + (2/√3)^2 - 1/(√2)^2

=4×(1/3) + 4/3 - 1/2

= [4/3] +[4/3] - [1/2]

= (8+8-3)/6

= 13/6

13/6 is the answer .

I hope this will help you