`cos 12^@+ cos60^@ +cos 84^@ = cos24^@ + cos 48^@`. mverify by a graph.

2,113 views · Published 12 October 2018 · 4:05 · Indexed 22 September 2026

Channel: Doubtnut · 2018 · Education

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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW `cos 12^@+ cos60^@ +cos 84^@ = cos24^@ + cos 48^@`. mverify by a  graph.

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