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Simplify without using a calculator or a mathematical table

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asked Aug 27, 2021 in Mathematics Form 2 by anony mous

Simplify without using a calculator or a mathematical table
Sin 90 Cos 45
Sin 45

trigonometry
tangent sine and cosine

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1 Answer

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answered Aug 27, 2021 by anony mous

1 × 1
√2
1
√2
=1

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