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the value of cos square theta +sec square theta is always------/

the value of cos square theta +sec square theta  is always------/
 

Grade:10

1 Answers

Arun
25758 Points
4 years ago
 
Dear student
 
As we know
(Cos@ - sec@)² >0.       (Square will always be greater than zero)
 
Cos²@ + sec² @ - 2 > 0
Hence
Cos²@ + sec² @ > 2
 
Regards
Arun (askIITians forum expert)

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