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tan^(-1)""1/2+tan^(-1)""3/2"का मान है "...

`tan^(-1)""1/2+tan^(-1)""3/2"का मान है "`

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tan^(-1)1+tan^(-1)2+tan^(-1)3=

tan^(-1)1+tan^(-1)2+tan^(-1)3=

tan^(-1) 1+tan ^(-1) 2+tan ^(-1) 3 = pi =2 (tan ^(-1) ""(1)/(2)+tan ^(-1) ""(1)/(3) + tan ^(-1) 1) [ take priencipal value in each case]

Pove that i) tan^(-1)1/2+tan^(-1)2/11=tan^(-1)3/4 ii) tan^(-1)2/11+tan^(-1)7/24=tan^(-1)1/2 iii) tan^(-1)1+tan^(-1)1/2+tan^(-1)1/3=pi/2 iv) 2tan^(-1)1/3+tan^(-1)/17=pi/4 v) tan^(-1)2-tan^(-1)1=tan^(-1)1/3 vi) tan^(-1)+tan^(-1)2+tan^(-1)3=pi vii) tan^(-1)1/2+tan^(-1)1/5+tan^(-1)1/8=pi/4 viii) tan^(-1)1/4+tan^(-1)2/9=1/2tan^(-1)4/3

3tan ^(-1) ""(1)/(2+sqrt(3))-tan ^(-1)""(1)/(2)=tan^(-1 )""(1)/(3)

solve : 3 tan ^(-1) ""(1)/(2+sqrt(3))-tan ^(-1)""(1)/(x) = tan ^(-1)""(1)/(3)

tan("Tan"^(-1)1/2+"Tan"^(-1)1/3)=