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, 2003

Algebra Difficulty 2.0 Junior Prove it Canada

If $0^\circ<x<90^\circ$ and $3\sin(x)-\cos(15^\circ)=0$ , what is the value of $x$ to the nearest tenth of a degree?

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.