Math, asked by sonub2305, 4 months ago

Find the value of the following without using trigonometric tables: cos 50^ 2 sin 40^ + 4(cosec^ 2 59^ -tan^ 2 31^ ) 3 tan^ 2 45^ - 2 3 tan 12 ° tan n 78^ . sin 90 degrees

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Answered by Stoneheartgirl

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