Question

ii) Prove that Cot
)
-
cos20
1-sin 2e
and
4
hence find the value of Cot15°​

Answer 1

Answer:

giy

$| \sqrt[12465056 - \div 0 \\ 5 |5 \sqrt[ekczzzjxksokk]{?} | \times \frac{?}{?} ]{?} |$