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TRIGONOMETRÍA<br />

a) 7 π/8 b) 11 π/8 c) 13 π/8 d) 15 π/8 e) 17 π/8<br />

14. Simplificar:<br />

⎛ π ⎞<br />

B = arctg2 - arccos⎜cos ⎟ + arcctg2<br />

⎝ 3 ⎠<br />

a) π/2 b) π/3 c) π/4 d) π/5 e) π/6<br />

⎛<br />

15. Calcular: A = tg arc sec<br />

⎜<br />

⎝<br />

a)<br />

x<br />

x + 1<br />

b)<br />

x<br />

x - 1<br />

c) 1 + x<br />

1 - x<br />

2 + arcsen<br />

d) x + 1<br />

x - 1<br />

x ⎞<br />

2 ⎟<br />

x +1 ⎠<br />

e) x + 1<br />

x<br />

⎛ π ⎞<br />

16. Calcular: A = tg ⎜ - arcctg3⎟<br />

⎝ 4 ⎠<br />

a) 1 /2 b) 1 /3 c) 1 /4 d) 1 /5 e) 1 /6<br />

17. Calcular:<br />

⎡ ⎛ 2 3 1 ⎞⎤<br />

N = cos ⎢4 arcsec + arcsen<br />

⎜<br />

⎟<br />

⎥<br />

⎢⎣<br />

⎝ 3 2 ⎠⎥⎦<br />

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

18. Simplificar<br />

⎛ 3 5 ⎞<br />

A = sen⎜arctg + arcsen ⎟<br />

⎝ 4 13 ⎠<br />

a) 36/17 b) 56/65 c) 71/17 d) 91/19 e) 41/14<br />

19. Evaluar:<br />

1 5<br />

A = arctg + arctg<br />

6 7<br />

a) π / 6 b) π / 3 c) π / 4 d) π / 8 e) π /12<br />

20. Evaluar:<br />

7<br />

B = arctg5 - arctg3 + arctg 9<br />

a) π / 5 b) 2 π / 5 c) π / 4 d) π / 3 e) π / 6<br />

21. Calcular:<br />

4 1 1<br />

M = arccos + arctg + arcsen<br />

5 2 10<br />

a) 60º b) 37º c) 72º d) 82º e) 94º<br />

22. Calcular:<br />

⎛ 4 ⎞ ⎛ 12 ⎞ ⎛ 7 ⎞<br />

P = sen⎜arccos ⎟ + 2sec ⎜arctg<br />

⎟ + 4cos⎜arcsen ⎟<br />

⎝ 5 ⎠ ⎝ 5 ⎠ ⎝ 25 ⎠<br />

a) 241/25 b) 13/125 c) 31/5 d) 241/5 e) 31/125<br />

CUESTIONARIO DESARROLLADO

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