Prove this
Prove
Prove
Attachments:
game72:
from which school you are
I need follower
hello
my brother
hi
Hello
My not in school bro m just trying for com exam
i also solve this sum last 2 days ago
?.
Sir plz solve it on paper in and snap me
Answers
Answered by
3
hope It helps you ..
Attachments:
Answered by
5
To prove
[(1-cosA)/(1+cosA)]^1/2=cosecA-cotA
LHS
multiply above and below by (1-cosA)^1/2
=(1-cosA)/(1-cos^2A)^1/2
=(1-cosA)/sinA
=1/sinA - cosA/sinA
=cosecA - cotA ,
Hence proved.
Similar questions