a) tan-1\((\frac{4}{7})\)
b) tan-1\((\frac{9}{7})\)
c) tan-1\((\frac{7}{9})\)
d) tan-11
Find the value of tan-1(\(\frac{1}{3}\))+tan-1(\(\frac{1}{5}\))+tan-1(\frac{1}{7})[/latex]
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answerhappygod
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Find the value of tan-1(\(\frac{1}{3}\))+tan-1(\(\frac{1}{5}\))+tan-1(\frac{1}{7})[/latex]
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