Math, asked by SHUBHAM0009, 1 year ago

tana=-1/2 and tanb=-1/3 then a+b=

Answers

Answered by Subhiksha1234567890

Hi,

tan ( a + b ) = tan a + tan b / 1 - tan a * tan b [general formulae]

= -1/2 + (-1/3) / 1 - (-1/2*-1/3)
= - 5/6

Hope it helps.........

Subhiksha1234567890: oh......

SHUBHAM0009: sry I wrote wrong 3pi/4

SHUBHAM0009: any ways thanks for giving your time

Subhiksha1234567890: its ok

Subhiksha1234567890: ans is correct na?

SHUBHAM0009: ya

SHUBHAM0009: I can show solution

Subhiksha1234567890: mmm

SHUBHAM0009: how can I attach a photo in comment

SHUBHAM0009: after solving we get -5/6 / 5/6 which gives -1 and 3pi/4 is 135 and tan135 is equals to -1 so it's correct

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