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6.3.3E: Funciones trigonométricas inversas (Ejercicios)

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    116687
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    Sección 6.3 Ejercicios

    Evaluar las siguientes expresiones, dando la respuesta en radianes.

    1. \(\sin ^{-1} \left(\dfrac{\sqrt{2} }{2} \right)\)

    2. \(\sin ^{-1} \left(\dfrac{\sqrt{3} }{2} \right)\)

    3. \(\sin ^{-1} \left(-\dfrac{1}{2} \right)\)

    4. \(\sin ^{-1} \left(-\dfrac{\sqrt{2} }{2} \right)\)

    5. \(\cos ^{-1} \left(\dfrac{1}{2} \right)\)

    6. \(\cos ^{-1} \left(\dfrac{\sqrt{2} }{2} \right)\)

    7. \(\cos ^{-1} \left(-\dfrac{\sqrt{2} }{2} \right)\)

    8. \(\cos ^{-1} \left(-\dfrac{\sqrt{3} }{2} \right)\)

    9. \(\tan ^{-1} \left(1\right)\)

    10. \(\tan ^{-1} \left(\sqrt{3} \right)\)

    11. \(\tan ^{-1} \left(-\sqrt{3} \right)\)

    12. \(\tan ^{-1} \left(-1\right)\)

    Usa tu calculadora para evaluar cada expresión, dando la respuesta en radianes.

    13. \(\cos ^{-1} \left(-0.4\right)\)

    14. \(\cos ^{-1} \left(0.8\right)\)

    15. \(\sin ^{-1} \left(-0.8\right)\)

    16. \(\tan ^{-1} \left(6\right)\)

    Encuentra el ángulo \(\theta\)en grados.

    17. 2019-07-09 4.34.06.png18. 2019-07-09 4.34.22.png

    Evalúe las siguientes expresiones.

    19. \(\sin ^{-1} \left(\cos \left(\dfrac{\pi }{4} \right)\right)\)

    20. \(\cos ^{-1} \left(\sin \left(\dfrac{\pi }{6} \right)\right)\)

    21. \(\sin ^{-1} \left(\cos \left(\dfrac{4\pi }{3} \right)\right)\)

    22. \(\cos ^{-1} \left(\sin \left(\dfrac{5\pi }{4} \right)\right)\)

    23. \(\cos \left(\sin ^{-1} \left(\dfrac{3}{7} \right)\right)\)

    24. \(\sin \left(\cos ^{-1} \left(\dfrac{4}{9} \right)\right)\)

    25. \(\cos \left(\tan ^{-1} \left(4\right)\right)\)

    26. \(\tan \left(\sin ^{-1} \left(\dfrac{1}{3} \right)\right)\)

    Encuentre una expresión simplificada para cada uno de los siguientes.

    27. \(\sin \left(\cos ^{-1} \left(\dfrac{x}{5} \right)\right)\), para\(-5\le x\le 5\)

    28. \(\tan \left(\cos ^{-1} \left(\dfrac{x}{2} \right)\right)\), para\(-2\le x\le 2\)

    29. \(\sin \left(\tan ^{-1} \left(3x\right)\right)\)

    30. \(\cos \left(\tan ^{-1} \left(4x\right)\right)\)

    Responder

    1. \(\dfrac{\pi}{4}\)

    3. \(-\dfrac{\pi}{6}\)

    5. \(\dfrac{\pi}{3}\)

    7. \(\dfrac{3\pi}{4}\)

    9. \(\dfrac{\pi}{4}\)

    11. \(-\dfrac{\pi}{3}\)

    13. 1.9823

    15. -0.9273

    17. \(44.427^{\circ}\)

    19. \(\dfrac{\pi}{4}\)

    21. \(-\dfrac{\pi}{6}\)

    23. \(\dfrac{2\sqrt{10}}{7}\)

    25. \(\dfrac{1}{\sqrt{17}}\)

    27. \(\dfrac{\sqrt{25-x^2}}{5}\)

    29. \(\dfrac{3x}{\sqrt{9x^2 + 1}}\)


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