化简下列psinx+qcosπ/2+ktan2π-p²tan135°+q²sin90°-2pqcos0°a²tanπ/4-b²sin3π/2+adcosπ-abtan5π/4mtanπ+ncosπ/2-psinπ-qcos3π/2-rsin2π

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化简下列psinx+qcosπ/2+ktan2π-p²tan135°+q²sin90°-2pqcos0°a²tanπ/4-b²sin3π/2+adcosπ-abtan5π/4mtanπ+ncosπ/2-psinπ-qcos3π/2-rsin2π
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化简下列psinx+qcosπ/2+ktan2π-p²tan135°+q²sin90°-2pqcos0°a²tanπ/4-b²sin3π/2+adcosπ-abtan5π/4mtanπ+ncosπ/2-psinπ-qcos3π/2-rsin2π
化简下列

psinx+qcosπ/2+ktan2π

-p²tan135°+q²sin90°-2pqcos0°

a²tanπ/4-b²sin3π/2+adcosπ-abtan5π/4

mtanπ+ncosπ/2-psinπ-qcos3π/2-rsin2π

化简下列psinx+qcosπ/2+ktan2π-p²tan135°+q²sin90°-2pqcos0°a²tanπ/4-b²sin3π/2+adcosπ-abtan5π/4mtanπ+ncosπ/2-psinπ-qcos3π/2-rsin2π
√45
=√(5×3²)
=3√5
√27/4
=√[3×(3/2)²]
=(3√3)/2
3√2/3
=3√[6×(1/3)²]
=3×1/3√6
=√6