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सारणिकों के गुणधर्मों का प्रयोग करके मूल...

सारणिकों के गुणधर्मों का प्रयोग करके मूल्यांकन कीजिए - `|(cosec^2theta,cot^2theta,1),(cot^2theta,cosec^2theta,-1),(42,40,2)|`

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cosec^(2)theta-cot^(2)theta-1

cosec^(2)theta=1+cot^(2)theta

what is value of: |[cosec^2theta,cot^2theta,1],[cot^2theta,cosec^2theta,-1],[42,40,2]| ?

cosec^4 theta-cot^4 theta=cosec^2theta+cot^2 theta

cosec^(6)theta-cot^(6)theta-3cot^(2)theta.cosec^(2)theta=?

Without expanding show that: = |(cose c^2theta,cot^2theta,1),(cot^2theta,cosec^2theta,-1) ,(42 ,40, 2)| =0

cosec^(4)theta+cot^(2)theta+cosec^(2)theta)"=

Without expanding, show that : Delta = {:|(cosec^2theta,cot^2theta,1),(cot^2theta,cosec^2theta,-1),(42,40,2)|=0

Without expanding, find the value of |(cosec^(2)theta,cot^(2)theta,1),(cot^(2)theta,cosec^(2)theta,-1),(42,40,2)|