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Mathematics
Chad
24 March, 17:44
Tan20*tan40 tan60*tan80=3 prove that
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Muhammad Benson
24 March, 19:25
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Step-by-step explanation:
tan (θ) tan (60-θ) tan (60+θ) = tan (3θ)
tan (20) tan (40) tan (60) tan (80)
(tan (20) tan (60-20) tan (60+20)) tan (60)
tan^2 (60)
(3-√) 2
3
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