9 420 13, ? Complete the following table. Do not use tables or a calculator. 14.

Question

9 420 13, ? Complete the following table. Do not use tables or a calculator. 14. 3m/2 0 in 8 in sec ? sin 8 tan ? degree radians 17. 30 18. 45 19. 60 20. 120o 2m3 21. 135 5 34 22. I 150. 5T16 23. 210(37/6 24. 240 (04/3 cos 2V3/3 1/2 /3/2 V3/2 2. V22 -V2/2 V32 -V32 /2 Find the values of the six trigonometric functions for ? where the point given below is on the terminal side of angle 8 in standard position. 25. (-3,4) 29. (-12,-5 27.-(24, 7) 26. (-4,-3) (6, 8) 28. (-7,2 36. (-V 43. -04716, -.0 1 (9, -12) (V5, -2) 3) 2V2,-22 37. (Vi3, V5) 38. (-Vi, -V5 39. (V15, -V10) 40. (-Vi 41. (8.7691, -3.2473) 44: (126.89, 104.21) ?The terminal side lies on the line y-St, with 0. 48. The terminal side lies on the line y 3x0, with x>o. 42. (-5.1021,7.6132) 45. 9.713V12.4, -8.765V/10.2) 46. (5.114v286,

Explanation / Answer

y=5x

y/x =5 , x<0

It means y<0 too

And tan theta = y/x

So tan theta = 5/1

Here opposite = 5, adjacent=1

hypotenuse = sqrt(52+12) = sqrt(26)

sin theta = opposite/hypotenuse = -5/sqrt26

cos theta= adjacent/hypotenuse = -1/sqrt 26

sec theta=1/cos theta = -sqrt(26)

csc theta = 1/sin theta = -sqrt(26) /5

cot theta = 1/tan theta = 1/5

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