SOLUTION: Sin10*cos20*tan40*tan50*cosec70*sec80=1

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Question 1041169: Sin10*cos20*tan40*tan50*cosec70*sec80=1
Answer by addingup(3677) About Me  (Show Source):
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Sin10*cos20*tan40*tan50*cosec70*sec80=1
(sin10⁰)(cos20⁰)(tan40⁰)(tan50⁰)(cosec70⁰)(sec80⁰) = 1
True