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Raveena
Questions (2)
if cos(x) = 5/13 and sin(y)=3/5 where 0<= x, y <= x/2, determine:
a) cos (x+y) b) sin (x-y)
2 answers
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What volume of 10 percentage (mass/volume) solution of Na2CO3 will be required to neutralise 100mL of HCl sution containing
1 answer
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