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Questions and Answers
SecA + tanA = 5 is equivalent to secA - tanA = 1/5
SecA + tanA = 5 is equivalent to secA - tanA = 1/5
True (A)
SecA + tanA = 5 implies secA - tanA = 1/5
SecA + tanA = 5 implies secA - tanA = 1/5
False (B)
If SecA + tanA = 5, then secA - tanA cannot be calculated
If SecA + tanA = 5, then secA - tanA cannot be calculated
False (B)
Two vectors a and b are parallel then a.b=0
Two vectors a and b are parallel then a.b=0
The dot product of two parallel vectors is always zero
The dot product of two parallel vectors is always zero
If the dot product of two vectors is zero, it means they are parallel
If the dot product of two vectors is zero, it means they are parallel