B
C
A
D
1-sinA
1-sinA
1+sinA
1+sinA
1-sinA
By Team Aakash Byju's | 9th December 2022
1+sinA
Let us multiply and divided the given expression by 1+sinA.
1-sinA
(1-sinA)
(1+sinA)
(1+sinA)
1-sin A
(1+sinA)
2
Since 1 - sin A = cos A, we can write
1-sin A
(1+sinA)
2
2
2
cos A
(1+sinA)
2
cos A
1+sinA