Question

if tan A =1/3 and tan B=1/7 then prove that 2A+B=45°

Answer 1

check out my solution

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Answer 2

If tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-If tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² aIf tan B then tan(a-B)=

n tana

1+(1-)tan² a