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Trigonometry 9 Online
OpenStudy (anonymous):

tant + 2cost csct=sect csct + cott

OpenStudy (raden):

let's do it from left side

OpenStudy (raden):

setting tan t = sint /cost and csc t = 1/sint

OpenStudy (anonymous):

ok and I left 2 cost as it is

OpenStudy (anonymous):

than i multiplied 2 cost and 1/sint

OpenStudy (anonymous):

sint/cost + 2cost/sint

OpenStudy (raden):

then simplify : |dw:1361740837491:dw|

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