. Given that cose = , then the value of taneis-Given that cos 8 = – InterviewSolution

1.

. Given that cose = , then the value of taneis-Given that cos 8 =

Answer»

Cos Φ=a/btherefore B/H=a/bB=a, H=bNow using pythagoras theoremH²=P²+B²b²=P²+a²P²=b²-a²P=√(b²-a²)thereforeTanΦ= P/B =√(b²-a²)/a

tanx=√b²-a²/a is trigonometric ratio

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