4.
sin 30° cot 45°sin 60°
+
cos 30°
COS 45°
sec 60° tan 45º
+
sin 90°​

4.
sin 30° cot 45°sin 60°
+
cos 30°
COS 45°
sec 60° tan 45º
+
sin 90°​

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Josephine

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