4 sen ^ 2 x tanx - 4sen ^ 2 x - 3tanx + 3 = 0?
4 sen ^ 2 x tanx - 4sen ^ 2 x - 3tanx + 3 = 0.
4 sen ^ 2 x tanx - 4sen ^ 2 x - 3tanx + 3 = 0.
En resumen
4sen²x . Tgx - 4sen²x - 3tgx + 3 = 0 implica que 4sen²x . (tgx - 1) - 3tgx + 3 = 0 4sen²x . (tgx - 1) - 3 (tgx - 1) = 0 (tgx - 1) (4sen²x - 3) = 0 de donde tgx - 1 = 0 ó 4sen²x = 0 tgx - 1 = 0 ó 4sen²x = 0 tgx = 1 ó sen²x = 0 x = arctg (1) ó senx = 0 x = 45° ó x = 0°.
Krennn
4sen²x .
Tgx - 4sen²x - 3tgx + 3 = 0
implica que 4sen²x .
(tgx - 1) - 3tgx + 3 = 0 4sen²x .
(tgx - 1) - 3 (tgx - 1) = 0 (tgx - 1) (4sen²x - 3) = 0 de donde tgx - 1 = 0 ó 4sen²x = 0 tgx - 1 = 0 ó 4sen²x = 0 tgx = 1 ó sen²x = 0 x = arctg (1) ó senx = 0 x = 45° ó x = 0°.
Tanx = senx / cosx cotx = cosx / senx = = = = > (senx / cosx)(cosx / senx) 1.
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Csc (x) = 1 / sen(x) Tan (x) = sen(x) / cos (x) csc (x) × tan (x) = 1 / cos (x) = Sec (x).