Question

please tell me this answer I want this answer

Answer 1

sorry...!!!!

math xam got over :-|

Answer 2

Step-by-step explanation:

sin a / cos a / ( 1 + sin^2 a/ cos^2 ) + cos a /sin a/ ( 1 + cos^2 /sin^2)

sin a/ cos a/ ( 1/ cos^2 ) + cos a/ sin a/ 1 /sin^2)

sin a/ cos a * cos^3 + cos a/ sin a * sin^3

sin a*cos^2 + cos a* sin^2

sin a*cos a ( sina^2 + cos^2 a )

sin a* cos a