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Mathematics, 22.03.2020 20:49 ineedhelpplz40

In the following questions, simplify the given formulae:

2.sin50°cos 40° - cos50°sin 40°

3.cos75°cos 15° - sin75°sin 15°

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In the following questions, simplify the given formulae:

2.sin50°cos 40° - cos50°sin 40°<...
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