Question

1+costheta/1-cos theta - 1-cps theta /1+cos theta 4cottheta cosec theta

Answer 1

Answer:

hope so it will help you

Step-by-step explanation:

1+cosQ 1-cosQ

______ _ _______

1- cosQ. 1+ cosQ

taking LCM

(1+ cosQ)^2 - (1-cosQ)^2

_____________________

1-cos^2 Q

AS WE KNOW

1-cos^2 Q = sin^2 Q

1+ cos^2 Q + 2 cos Q - ( 1+ cos^2Q -2 cosQ)

_____________________________________

sin^2 Q

After arithmetic cutting we left with

4 cosQ

______

sin^2Q

4 cosQ

-----------

sinQ. sinQ

hence the answer is

= 4 cot Q cosecQ

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