次を証明してください: sec^(2)x+cosec^(2)xge4 | 11 | 三角関数 | 数学 | NAGEEN PRAKASHAN ENGL...

次のことを証明してください: `s e c^2theta+cos e c^2thetageq4` 。

सिद्ध कीजिए कि `sec^(2)theta+"cosec"^(2)theta ge 4`

鋭角 theta について、次のことを証明してください: (i) sec^2thetacosecthetage4 (ii)sec^2theta+cosec^2th...

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If x=sec theta - cos theta, y= sec^n theta - cos^n theta. Show that (x^2+4)(dy/dx)^2=n^2(y^2+4)

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