1) cos square 15° - sin Square 45° = ?? 2) cos square 15° - cos square 75° = ??
pls ans my 2 questions I will mark u as brainlist
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1) cos square 15° - sin Square 45° = ?? 2) cos square 15° - cos square 75° = ??
pls ans my 2 questions I will mark u as brainlist
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