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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:11

1 Answers

Arun
25750 Points
4 years ago
Dear student
As we know x + 1/x belongs to [2, infinity) ; if x > 0
hence cos^2 theta + sec^2 theta = cos^2 theta + 1 / cos^2 theta = [2, infinity)
 
 
Hope it helps

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