Si Tg(2x + 15)?
Si Tg(2x + 15). Tg51 = 1, Hallar el valor de x.
9DAVIDLOPEZP
Si Tg(2x + 15). Tg51 = 1, Hallar el valor de x.
En resumen
Tg(2x + 15). Tg51 = 1 2x + 15 + 51 = 90 2x + 66 = 90 2x = 34 x = 17°.
Evelynperedat
Tg(2x + 15).
Tg51 = 1 2x + 15 + 51 = 90
2x + 66 = 90
2x = 34
x = 17°.
(tg2x - tgx)cos2x = tg2xcos2x - tgxcos2x = sen2x - tgxcos2x = sen2x - tgx(2cos²x - 1) = sen2x - 2tgxcos²x + tgx = sen2x - 2senxcosx + tgx = sen2x - sen2x + tgx = tgx.
Tan(2x + 5) * cot(21) = 1 tan(2x + 5) = 1 / cot(21) tan(2x + 5) = tan(21) 2x + 5 = 21 2x = 16 x = 8.
2x + 15 + 51 = 90 2x + 66 = 90 2x = 24 x = 12.