Question

Show that


[] tan^-1. [2/11] + tan^-1 [7/24] + tan^-1 [1/2]

Answer 1

Answer:

Step-by-step explanation:

tan^-1. [2/11] + tan^-1 [7/24] + tan^-1 [1/2]

What it is I can't understand

Answer 2

QUESTION

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tan^-1. [2/11] + tan^-1 [7/24] + tan^-1 [1/2]

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ANSWER

GIVEN

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tan^-1 {2/11} + tan ^-1 { 7/24} = tan^-1 {1/2}

tan^-1. = {2/11} +{ 7/24} / {1 -2/11 X 7/24}

tan^-1 { 2 X 24 + 11 X 7} / {11 X 7} / { 1 -14/ 11 X 24}

tan^-1 { 48 + 77} /264 } / {264 -14} /264

cancelling 264 and 264

tan^-1 { 48 + 77} /{ 264 -14}

tan^-1 {125/250}

tan^-1 {1/2}

LHS = RHS

HENCE SHOWED