Q-4 part(a) please koi help kardo
please!!!
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Is it 10 standard question ???
yes
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Answered by
1
answer in the photo
hope it's helps!!!
hope it's helps!!!
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Answered by
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i think it may help you
(cosA*cosA/sinA)/(1-sinA)
(cos2A/sinA)/(1-sinA)
((1-sin2A)/sinA)/(1-sinA)
((1+sinA)(1-sinA)/sinA)/(1-sinA)
[(1+sinA)/sinA]
1/sinA+sinA/sinA
cosecA+1
proved
(cosA*cosA/sinA)/(1-sinA)
(cos2A/sinA)/(1-sinA)
((1-sin2A)/sinA)/(1-sinA)
((1+sinA)(1-sinA)/sinA)/(1-sinA)
[(1+sinA)/sinA]
1/sinA+sinA/sinA
cosecA+1
proved
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click better photo in which answer is clear
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