Advertisements
Advertisements
Question
सिद्ध कीजिए कि:
`1 + (cot^2 α)/(1 + "cosec" α) = "cosec" α`
Theorem
Advertisements
Solution
बायाँ पक्ष = `1 + (cot^2 α)/(1 + "cosec" α)`
= `1 + ("cosec"^2α - 1)/(1 + "cosec" α)`
= `1 + ((1 + "cosec" α)("cosec" α - 1))/(1 + "cosec" α)`
= 1 + cosec α – 1
= cosec α
= दायाँ पक्ष
shaalaa.com
Is there an error in this question or solution?
