its a trigo sum. prove it.
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Hey frnd here is ur ans.....¡¡¡
CotA + tanB / CotB + tanA
(CotA+1/ CotB) / (CotB +1/CotA)
(CotACotB + 1)/ CotA /(CotACotB + 1)/ CotA
CotA / CotB
CotA tanA..... Hence proved RHS
Hope it helps you✌✌
Thankyou ☺☺
CotA + tanB / CotB + tanA
(CotA+1/ CotB) / (CotB +1/CotA)
(CotACotB + 1)/ CotA /(CotACotB + 1)/ CotA
CotA / CotB
CotA tanA..... Hence proved RHS
Hope it helps you✌✌
Thankyou ☺☺
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