Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 8 - No. 7) | ExamPlay

Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 8 - No. 7)

What is the value of cos(45°)?

0

1

√2 / 2

√3 / 2

Explanation

cos(45°) = √2 / 2

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