Question #9043b
1 Answer
Dec 11, 2016
Use
Explanation:
(If
I will assume that
Now use
# = cosc/(1+sinc) + cosc/(1-sinc)#
# = (2cosc)/(1-sin^2c)#
# = 2/cosc = 2sec c# .
Use
(If
I will assume that
Now use
# = cosc/(1+sinc) + cosc/(1-sinc)#
# = (2cosc)/(1-sin^2c)#
# = 2/cosc = 2sec c# .