Given Sin (90 – a) = 1/2 , find without using tables or calculators the value of Cos a.
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In the figure below the lines AB and CD are parallel. AD and CB intersect at X. AB = 6cm, CD = 9cm and DX
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a) Expand (1 -2x)4 b) Use the first four terms of your expansion to find the value of (0.99)4
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Solved] Hello tutors . Give answers soonest possible 1. Given sin
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Without using trigonometric tables , evaluate the following : (co
State the amplitude and the phase angle of the curve
