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TRIGONOMETRÍA<br />

a)<br />

2<br />

arcctg x + 1 b)<br />

arcctg<br />

2<br />

x + 1<br />

x<br />

c)<br />

2<br />

arcctg x - 1 d)<br />

arcctg<br />

2<br />

x - 1<br />

x<br />

e)<br />

arcctg<br />

x + 1<br />

x<br />

2<br />

5. Calcular:<br />

A = 4cos(arctg 3 - arcsec 2)<br />

a) 6 + 2 b) 6 - 2 c) 3 + 1 d) 3 - 1 e) 2 3<br />

6. Afirmar si (V) 0 (F)<br />

I.<br />

⎛ 1 ⎞ ⎛ 1 ⎞<br />

arsen⎜ - ⎟ = arcsen ⎜ ⎟<br />

⎝ 2 ⎠ ⎝ 2 ⎠<br />

II.<br />

III.<br />

⎛ 1 ⎞<br />

arctg ⎜ ⎟ = arcctg3<br />

⎝ 3 ⎠<br />

3 5 3<br />

arcsen = arccsc<br />

5 3<br />

a) VVF b) VFV c) FVV d) VVV e) FVF<br />

7. Calcular:<br />

1 1<br />

A = arcsen + arccos<br />

2 2<br />

a) 30º b) 45º c) 60º d) 75º e) 90º<br />

8. Calcule:<br />

2 2<br />

A = arcsen + arctg 3 + arccos<br />

7 7<br />

a) 105º b) 120º c) 135º d) 150º e) 165º<br />

9. Calcular:<br />

A = 3csc ⎡<br />

⎤<br />

⎣<br />

arccos(sen(arctg 3)) ⎦<br />

a) 3 b) 3 / 3 c) 6 d) 3 / 5 e) 2 / 3<br />

10. Si:<br />

π<br />

arcsenx + arcseny + arcsenz = 4<br />

además: -1 ≤ x ; y ; z ≤ 1<br />

Calcular: E = arccosx + arcosy + arccosz<br />

a) 2 π/3 b) 2 π c) 3 π/4 d) 5 π/4 e) 3 π<br />

11. Calcular:<br />

⎛ 1 ⎞ ⎛ 5<br />

⎞<br />

sen ⎜ arcsec2 ⎟ + ⎜ arc csc( 5 + 1) ⎟<br />

⎝ 2 ⎠ ⎝ 2<br />

⎠<br />

a) 1 /2 b) 1 c) 3 /2 d) 2 e) 5 /2<br />

12. Simplificar:<br />

A = Cos ⎡<br />

⎤<br />

⎣<br />

arctg( 3 sec(arcctg 3)) ⎦<br />

a) 2 / 2 b) 3 / 2 c) 1/ 2 d) 5 / 5 e) 6 / 6<br />

13. Calcular:<br />

1 ⎛ 2 ⎞<br />

A = 2arccos( - 1) + arcsen -<br />

⎜<br />

2 ⎟<br />

⎝ 2 ⎠<br />

CUESTIONARIO DESARROLLADO

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