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If sin 30° = 0.5, what is the cosine of its complement?
Question 1
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If sin 30° = 0.5, what is the cosine of its complement?
-0.866
-0.5
0.0.5
0.866
1
Answer Details
Read lesson note on Sine, Cosine And Tangent Of An Angle (WAEC)
Read lesson note on Trigonometry (JAMB)
Sine, Cosine And Tangent Of An Angle
Trigonometry
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