Limits with trigonometric functions Find the limits in Exercises 43–50. 44. lim sin? x x→0 43. lim (2sin х — 1) x→0 46. lim tan x 45. lim sec x x→0 x→0 1 + x + sin x 48. lim (x2 – 1)(2 – cos x) 47. lim 3 cos x x→0 x→0 49. lim Vx + 4 cos (x + TT) 50. lim V7 + sec² x X -T

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