Tan or 10

Geometry Level 2

tan ⁡ 6 ∘ tan ⁡ 4 2 ∘ tan ⁡ 6 6 ∘ tan ⁡ 7 8 ∘ = ? \large \tan6^\circ \tan42^\circ \tan 66^\circ \tan78^\circ = \, ?


The answer is 1.00.

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Rakshit Joshi by Rakshit Joshi , 26, India

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1 solution

Ahmad Saad
May 12, 2016

2 Helpful 0 Interesting 0 Brilliant 0 Confused

very nice approach!!

Rakshit Joshi - 5 years, 1 month ago

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