`sec theta=(a^(2)+b^(2))/(a^(2)-b^(2)), where a, binR,` gives real bal – InterviewSolution

InterviewSolution

1.	`sec theta=(a^(2)+b^(2))/(a^(2)-b^(2)), where a, binR,` gives real balues of `theta` if and only ifA. `a=bne0`B. `\|a\|ne\|b\|ne0`C. `a+b=0,ane0`D. none of these
Answer» Correct Answer - B

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