0 0.8919 5 0.89372 10 0.89315 15 0.89018 20 0.88477 25 0.87691 30 0.86678 35 0.85504 40 0.84314 45 0.8334 50 0.82845 55 0.82992 60 0.83733 65 0.84843 70 0.86056 75 0.87175 80 0.88091 85 0.88765