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If tan y = 0.404, where y is acute, find cos 2y
Question 1
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If tan y = 0.404, where y is acute, find cos 2y
0.035
0.719
0.808
0.927
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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