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25 Oct 2022

Suppose ABC is a triangle with 3 acute angles A, B, and C. In which quadrant the point P(cosB-sinA, sinB-cosA) may be lie.

 

Suppose ABC is a triangle with 3 acute angles A, B, and C. In which quadrant the point P(cosB-sinA, sinB-cosA) may be lie.

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