Math, asked by keshav100781, 2 days ago

question 19
please solve this

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Answered by sharmaekta4321

2

Answer:

don't know try to understand the question

Answered by TusarThakan

0

Answer:

0

1×1-1=0

byusing the identities

i) cot^2+1=cosec^2

ii)Sin^2a+cos^2a=1

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