Math, asked by kvinay81791, 11 months ago

tan20°+tan40°+√3tan20°.tan40°=
1) -1/2
2) 0
3) √3/2
4)√3

Answers

Answered by pratibhapawan1123

0

Answer:

टैन 60 = टैन (20 + 40)

= (टैन 20 + टैन 40) / (1- टैन 20 टैन 40)

या टैन 60 - टैन 60 टैन 20 टैन 40 = टैन 20 + टैन 40

या =3 - 203 टैन 20 टैन 40 = टैन 20 + टैन 40

या टैन 20 + टैन 40 + 403 टैन 20 टैन 40 = √3

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