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發問:
三角比恆等式 sin y tan y _________ 已知cos y=0.2 cos y 點做.比成條式我 總有.教我做三角比d秘訣ok?
最佳解答:
Since cos y =0.2, y=78.46 sin y tan y __________ 0.2 sin 78.46 x tan 78.46 _________________ 0.2 4.8/0.2 =24 There's not really anything special about triangular ratio, it's just to remember what sin, cos, tan mean. Work hard on it and you'll get it @oil
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三角比 快發問:
三角比恆等式 sin y tan y _________ 已知cos y=0.2 cos y 點做.比成條式我 總有.教我做三角比d秘訣ok?
最佳解答:
Since cos y =0.2, y=78.46 sin y tan y __________ 0.2 sin 78.46 x tan 78.46 _________________ 0.2 4.8/0.2 =24 There's not really anything special about triangular ratio, it's just to remember what sin, cos, tan mean. Work hard on it and you'll get it @oil
其他解答:
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