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(00/ - 0054: _ 00560 - 1cotA + cosA cosecA+1 _(7. सिद्ध करें |
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Answer» (cotA -cosA)/(cotA + cosA) = (cosecA-1)/(cosecA+1) (cotA -cosA)/(cotA + cosA)((cosA/sinA)-cosA)/((cosA/sinA)-cosA) since cotA=cosA/sinA taking cosA common from numretor and denominator nd cancelling it we get ((1/sinA)-1)/((1/sinA)+1) since 1/sinA=cosecA therfore(cosecA-1)/(cosecA+1) Like my answer if you find it useful! |
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