Trigonometric Identities
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Questions and Answers

SecA + tanA = 5 is equivalent to secA - tanA = 1/5

True

SecA + tanA = 5 implies secA - tanA = 1/5

False

If SecA + tanA = 5, then secA - tanA cannot be calculated

False

Two vectors a and b are parallel then a.b=0

<p>True</p> Signup and view all the answers

The dot product of two parallel vectors is always zero

<p>True</p> Signup and view all the answers

If the dot product of two vectors is zero, it means they are parallel

<p>False</p> Signup and view all the answers

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