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HSC 2015 MX1 Marathon (archive)
Re: HSC 2015 3U Marathon (i) Express −3 sinx − 4 cos x in the form S cos(x − β), where S > 0 and 0 < β < 2π. (Write β to four decimal places.) (ii) Hence solve −3 sinx − 4 cos x = 2, for 0 ≤ x < 2π. Give the solutions correct to two decimal places. without radians in answer- Henrybro69
- Post #631
- Forum: Mathematics Extension 1
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Atar Estimate
Clinton as a professional hsc marker it seems like your gonna get a mystery mark- Henrybro69
- Post #6
- Forum: ATAR & HSC Marks (Guidance, Counsel & Estimates)
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