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Calcular ‘‘x’’, si: sen(x+10°) = cos(x+20°)
20°
30°
25°
40°
Calcula "x" si: sen40°. sec(x + 18°) = 1
22°
58°
32°
68°
Calcula el valor positivo de ‘‘x’’, si: sen(x2+10°) = cos(11x)
11
5
16
8
Si: sen(3x + 10) = cos (2x + 20)
Halle el valor de x
10
12
13
Calcule el valor de:
E = (3Tg10º + 8Cot80º).Cot10º
14
Si se sabe que:
Sen2a = Cosa
2Sena+4Cos2a
1
2
3
4
sen40°.sen3x=cos50°.cos60°
halle el valor de (x + 20°)
50°
60°
70°
12\frac{1}{2}21
22\frac{\sqrt{2}}{2}22
32\frac{\sqrt{3}}{2}23
3\sqrt{3}3
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10 questions
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