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Maths Puzzle
Numerical Ability
the value of 2sin^2 45+2cos^2 45+2sec^2 60 is
Read Solution (Total 1)
2*(sin^2 x + cos^2 x) =2*1 = 2
2*sec^2 60 = 2*2^2 = 8
8+2 = 10
answer is 10
9 years ago
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