tan(x+y) = (tanx + tany )/(1 - tanx.tany) | tan(x+y) formula proof | tan(x+y) formula | Class 11

Hello Guys,
In this video i have explained the proof of tan(x+y) = (tanx + tany )/(1 - tanx.tany ) and cot(x+y) = (cotx coty - 1)/(cotx + coty).
This formula is simple to derive because we can use the formula which I derived in my earlier videos for sin(x + y) and cos(x + y).
1 Like = More Motivation !
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Thank you to all

[@Digistudypur]

Badiya hai

[@DineshSingh-yo8tr]

Wow

[@rishabhranjeet9925]

I love how he edites ever video.

[@alientv6707]

Awesome proof sir

[@atulxenpai]

❤❤❤❤

[@Hanii_18]

Thank you sir for this beautiful explanation ❤️

[@srinivasamp8755]

Sir very very thanks for understanding the concepts🙂🙂❤️❤️

[@kalpanapatil4930]

V good teaching keep on sir

[@sureshsureshpeteacher1923]

Thank you sir ❤❤❤

[@rohitharsh2464]

you understand the value of time(because of your editing in video). and explaination is also excelent.

[@Epselon]

So nice of you

[@user-in6ys3vp4h]

Nice 🎉