" (ii) "tan^(-1)(1)/(4)+tan^(-1)(2)/(9)=...

" (ii) "tan^(-1)(1)/(4)+tan^(-1)(2)/(9)=(1)/(2)cos^(-1)(3)/(5)=(1)/(2)sin^(-1)(4)/(5)

" (ii) "tan^(-1)(1)/(4)+tan^(-1)(2)/(9)=(1)/(2)cos^(-1)(3)/(5)=(1)/(2)...
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Prove the following: tan^(-1)(1/4)+tan^(-1)(2/9)=1/2cos^(-1)(3/5)
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Prove that: tan^-1(1/4)+tan^-1(2/9)=1/2 cos^-1(3/5).
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सिद्ध कीजिए कि "tan"^(-1)1/4+"tan"^(-1)2/9=1/2"cos"^(-1)3/5
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सिद्ध कीजिए कि tan^(-1)""(1)/(4)+tan^(-1)""(2)/(9)=(1)/(2)cos^(-1)...
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सिद्ध करें कि : tan^(-1)""(1)/(4) + tan^(-1)""(2)/(9)=(1)/(2) cos^(-...
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सिद्ध कीजिए कि tan^(-1)((2)/(9)) + tan^(-1)((1)/(4)) = (1)/(2)sin^(-1)...
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सिद्ध कीजिए - tan^(-1).(1)/(4)+tan^(-1).(2)/(9)=(1)/(2)cos^(-1).(3)...
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Prove that tan^(-1) (1/4) + tan^(-1) (2/9) = 1/2 sin^(-1) (4/5)
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