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');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
cot(3π/2-α)=tanα (以上k∈Z) 注意：在做题时，将a看成锐角来做会比较好做。 (责任编辑：admin) |
|
');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
cot(3π/2-α)=tanα (以上k∈Z) 注意：在做题时，将a看成锐角来做会比较好做。 (责任编辑：admin) |