sina(1+tana)+cosa(1+cota)=seca+coseca
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Step-by-step explanation:
Sina(1+tana) + Cosa(1+Cota)
Sina(1+tana) + Cosa(1 + 1/tana)
Sina(1+tana) + Cosa/tana (1+tana)
(1+tana) { Sina + Cos²a/Sina }
(1 + tana) { Sin²a + Cos²a }/Sina
(1 + tana)/Sina
1/Sina + tana/Sina
Coseca + (Sina/SinaCosa)
Coseca + 1/Cosa
Coseca + Seca
hence proof
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