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    Year 12 PDH?

    Guys ill be starting year 12 within the next few days, for my subjects, should i drop physics for pdh, taking into account that i haven't completed the prelim course for pdh? Also how much of an impact will not knowing the prelim content affect my hsc experience for pdh? Are the assessments and...
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    Trig help

    Hey guys! this question has stumped me for quite a bit, anyone able to provide working out? solve cos^2x + 7sinxcosx = 3 for for 0 < or equal to x < or equal to 360
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