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Calcular "x" si Sen5x.Csc80°=1.
80°
12°
14°
16°
Si : tg 3x . ctg(x + 40º) = 1. Calcular : 2Cos 3x
1
2
3
4
Hallar “x” si :
cos(2x – 10º) .sec(x + 30º) = 1
30°
40°
50°
60°
Calcular “x” :
Sen(3x – 42º) .Csc(18º - 2x) = 1
18°
20°
5
0
12\frac{1}{2}21
22\frac{\sqrt{2}}{2}22
32\frac{\sqrt{3}}{2}23
3\sqrt{3}3
Si : sen 7x = Cos2x
Calcular : E = tg2 6x + tg(x + 42º) . tg(3x + 8º)
6
Reducir : E = (3.Sen40º + 4.Cos50º) csc40º
7
Si se sabe que:
sen40°.sen3x=cos50°.cos60°
halle el valor de (x + 20°)
70°
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