I got every step of an exam question-except…I forgot to sub in a trig sin identity-who remembers half angle formulas? h/t @HelenaYoest
I got every step of an exam question-except…I forgot to sub in a trig sin identity-who remembers half angle formulas? h/t @HelenaYoest — Jack Yoest (@JackYoest) August 4, 2016 from Twitter https://twitter.com/JackYoest August 04,...
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