Question

The value
\frac{ \sqrt{1 + cosa \: } }{1 - cos \: a}
1−cosa
1+cosa
​

​

is what?​
a) cot A – cosec A
b) cosec A + cot A
c) cosec^2 A + cot^2 A
d) (cot A + cosec A)^2​

Answer 1

Answer:

The value

\frac{ \sqrt{1 + cosa \: } }{1 - cos \: a}

1−cosa

1+cosa

is what?

a) cot A – cosec A

b) cosec A + cot A

c) cosec^2 A + cot^2 A

d) (cot A + cosec A)^2