solve question prove identities
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rupali8153gmailcom2:
if u think I can help u just follow me
you are wrong
in rhs case you put wring sign
how
no man it is rationalisation I done directly
you written 1/cos A - Sin A but in question sign is +
no check question again
now is it ok
See my answer
Tera to use kuch bhi samaj nahi ayega
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Answer:
Step-by-step explanation:
LHS
1/cosecA-cotA -1/sinA
=sinA/1-cosA -1/sinA
=SinA(1+cosA)/1-cosA(1+cosA) -1/sinA
=sinA(1+cosA)/sin^2A -1/sinA
1+cosA-1/sinA
=cotA........1
RHS
=1/sinA -(1/cosecA+cotA)
=1/sinA -(sinA/1+cosA)
=1/sinA -(sinA(1-cosA)/1+cosA(1-cosA))
=1/sinA -(sinA(1-cosA)/sin^2A)
=1/sinA -(1-cosA/sinA)
=1-1+cosA/sinA
=CotA
LHS=RHS
HOPE IT HELPS
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