35度40度50度55度65度70度75度80度85度的正切值是多少?

35度40度50度55度65度70度75度80度85度的正切值是多少?

the tangent of degreee 35 is 0.700208
the tangent of degreee 40 is 0.839100
the tangent of degreee 45 is 1.000000
the tangent of degreee 50 is 1.191754
the tangent of degreee 55 is 1.428148
the tangent of degreee 60 is 1.732051
the tangent of degreee 65 is 2.144507
the tangent of degreee 70 is 2.747477
the tangent of degreee 75 is 3.732051
the tangent of degreee 80 is 5.671282
the tangent of degreee 85 is 11.430052其实真正用到的只有0 30 45 60 90 这些特输角还有就是这些角的一半的角度可以用半角公式计算 tan a=(1+cos 2a)/sin 2a

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