If : `sin 40^(@)-cos 70^(@)= k * cos 80^(@), "then" : k = `A)`sqrt1`B) – InterviewSolution

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1.	If : `sin 40^(@)-cos 70^(@)= k * cos 80^(@), "then" : k = `A)`sqrt1`B)`sqrt2`C)`sqrt3`D)`sqrt4`A. `sqrt1`B. `sqrt2`C. `sqrt3`D. `sqrt4`
Answer» Correct Answer - C

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