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27-05-2024
Mathematics

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Match the expressions with their solutions.
1. √(1-cos 330°)2
2. 1-2sin²165°
3. (1-cos 315°)/sin 315°
4. (1-cos 315°)/2
a. tan 157.5°
b. sin 165°
c. sin²157.5°
d. cos 330°

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