arcticmonkeys456
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nevermind lol
Last edited by arcticmonkeys456; 1 month ago
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Justvisited
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(Original post by arcticmonkeys456)
I expanded the cos addition formula and did rearranging and it gave me -2 + root3 = tan x again but i don’t know how to get the answer of 11pi/12
Well by the periodicity of the tan function (repeats every pi), tan 11pi/12 = tan -pi/12 ... does that help?
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arcticmonkeys456
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(Original post by Justvisited)
Well by the periodicity of the tan function (repeats every pi), tan 11pi/12 = tan -pi/12 ... does that help?
yep thank you i realised my silly mistake just as i posted it 😂 thank you!
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