16) Find the value of sin. 30° + cos?
45° + cos. 30°
O 1/2
O 1/4
O 3/2
O 3/4
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Answered by
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Answer:
Sin 30° = 1/2
Cos 45° = 1/√2
Cos 30° = √3/2
Sin 30° + Cos 45° + Cos 30° = 1/2 + 1/√2 + √3/2
= (1 + √2 + √3)/2
= (1 + √2 + √3)/2
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