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" 9.fris कीर्णिए (i) (cosecA - cotA) "^(...

" 9.fris कीर्णिए (i) (cosecA - cotA) "^(2)=(1-" cosA ")/(1+cos A)

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Prove that ("cosec"A-cotA)^(2)=((1-cosA))/((1+cosA)).

If cosecA=2 , then (1)/(tanA)+(sinA)/(1+cosA)=?

Prove that : cosec A- cot A =(1)/(cosecA+cotA)

Prove that : cosec A- cot A =(1)/(cosecA+cotA)

The value of (cosecA + cotA +1)(cosecA - cotA + 1) - 2cosecA is: (cosecA + cotA +1)(cosecA - cotA + 1) - 2cosecA का मान है :

1/(cosecA+cotA)=cosecA-cotA

Prove that (cotA- cosA)/(cotA+ cosA) = (cosecA -1)/(cosecA+1)

Prove that (cotA- cosA)/(cotA+ cosA) = (cosecA -1)/(cosecA+1)

Prove: (1-cosA)/(1+cosA)=(cotA-cos e c\ A)^2

The value of ((sinA)/(1-cosA)+(1-cosA)/ (sinA)) div ((cot^2 A)/(1+cosecA)+1) is : ((sinA)/(1-cosA)+(1-cosA)/ (sinA)) div ((cot^2 A)/(1+cosecA)+1) का मान है :