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Ques. -30

Geometry Level 4

If \(cosA+cosB+2\cdot cosC=2\), then the sides of \(\bigtriangleup ABC\) are in :

A,B,C are the angles of \(\bigtriangleup ABC\).

Harmonic Progression Arithmetic Progression Geometric Progression None of the give sequences.

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

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including olympiad champions, researchers, and professionals.

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by Sandeep Bhardwaj

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