Question

Evaluate
cos² 60 +sec²30 -tan²60/sin45​

Answer 1

Answer:

Cos^2 60 + sec^30 - tan^2 60/sin 45

Answer

(1/2)^2 + (2/√3)^2 -(√3)^2/1√2

1\4 +4/3 -3/1√2[by lcm)

3+16 -36√2 / 12

===. [19-36√2/ 12]

Answer 2

Answer:

Hey mate....

Here is your answer

Kindly refer the above attachment!

Hope this will be useful

Thank you