关于锐角三角函数计算器求解
sin21° cos69° sin33°56' cos56°4' cos16° sin74° cos16° sin74° sin37° cos23°15'
cosA=0.625,∠A=？
tan36°
人气：143 ℃ 时间：2020-05-09 07:35:42
解答
sin21°=0.3584 cos69°=0.3584 sin33°56'=0.5582 cos56°4'=55.82 cos16°=0.9613 sin74°=0.9613 cos16° sin74° sin37°=0.6018 cos23°15'=0.9188 cosA=0.625,∠A=51.318°tan36°=0.7265
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