Sin60°.Cos30° + Sin30°.Cos60°
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Answer:
Step-by-step explanation:
sin 60° = √3/2
cos 30° = √3/2
sin 30° = 1/2
cos 60° = 1/2
(.) means multiply
sin 60° x cos 30° + sin 30° x cos 60°
(√3/2 x √3/2) + (1/2 x 1/2)
(√3/2)² + (1/2) ²
3/4 + 1/4
4/4
= 1
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