Math, asked by santhukotha16, 1 year ago

What is the value of tan20 + tan40 + tan60+ tan 80 + .....+tan180

Answers

Answered by siddhartharao77
82
tan 20 + tan 40 + tan 60 + tan 80 + tan 100 + tan 120 + tan 140 + tan 160 + tan 180

= tan 20 + tan 40 + tan 60 + tan 80 + tan(180-100) + tan(100 - 120) + tan(100 - 140) + tan(100 - 160) + tan(100 - 180)

= tan 20 + tan 40 + tan 60 + tan 80 - tan 80 - tan 20 - tan 40 - tan 60 - tan 80

= 0.
Answered by cutiemoksha
12

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