Given Sin (90 – a) = 1/2 , find without using tables or calculators the value of Cos a.
Without using trigonometric tables, find the value of the
The equation of a curve is given as y = x3 – 3x + 2. Determine a) the value of y when x = 2 b) the
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In the figure below OA = a, OB = b, OA : AE = 2 : 3 and OB : OC = 1 : 2 a)
A cylindrical water tank is of diameter 7 metres and height 2.8 metres. a) Find the capacity of the water tank in litres. b) Six members
SIN 90° - FORMULA, DERIVATION AND EXAMPLES - mydomain
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