Question

The value of 9 sec square 60 degree- 9 tan square 60 degree

Answer 1

Answer:

wait

Step-by-step explanation:

$9sec {}^{2} - 9 {cot}^{2} \\ 9( {sec}^{2} - {cot}^{2} ) \: \: \: \: \: \: sec \\ 9 \times 1 \\ 9$