Question

ii) tan 35° + tan 10° + tan 35°tan 10° = 1
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Answer 1

yes it is correct

see the above attachment

hope it helps you

Answer 2

The question is tan 10 + tan 35 + tan 10 tan 35 = 1

We know that -

tan (A+B) = tan A + tan B/1 - tan A tan B

tan 45° = tan ( 10 + 35)

1 = tan 10 + tan 35/ 1 - tan 10 tan 35

1 - tan 10 tan 35 = tan 10 + tan 35

tan 10 + tan 35 + tan 10 tan 35 = 1

Hope This Helps You!