DemostrarSecB•SenB = tanB?
Demostrar SecB•SenB = tanB.
Demostrar SecB•SenB = tanB.
En resumen
Secb = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7Bcosb%7D%20" /> tanb = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bsenb%7D%7Bcosb%7D" /> SecB•SenB = tanB <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7Bcosb%7Dx%28senb%20%29" /> <img src="https://tex.z-dn.
Secb = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7Bcosb%7D%20" />
tanb = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bsenb%7D%7Bcosb%7D" />
SecB•SenB = tanB
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7Bcosb%7Dx%28senb%20%29" />
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bsenb%7D%7Bcosb%7D%20" />.
Tan(a + b) = Tana + Tanb / 1 - TanaTanb 5 = 7 + Tanb / 1 - 7Tanb 5 - 35Tanb = 7 + Tanb - 2 = 36Tanb Tanb = - 1 / 18.
((1 / cosb ) + (sinb / cosb ))(1 - sinb ) = 1 ((1 + sin b ) / (cosb) ) ( 1 - sinb) = 1 ( 1 - sin∧2( b)) / (cosb) = 1 ( cos∧2(b) ) / ( cosb) = 1 cosb = 1 b = 0 , 2pi , 4pi , 6pi , . B = n x2pi donde n = 0, 1, 2, 3, 4 .