Question

plzz solve this fast ​

Answer 1

Step-by-step explanation:

$\tan(45) = 1 \\ \\ \\ \tan(35 + 10) = 1 \\ \\ \\ \frac{ \tan(35) + \tan(10) }{1 - \tan(35) \tan(45) } = 1 \\ \\ \\ \tan(35) + \tan(10) = 1 - \tan(35) \tan(10) \\ \\ \\ \tan(35) + \tan(10) + \tan(35) \tan(10) = 1 \\ \\ \\ hence \: proved$

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