Grade 10Trigonometry
if a & b are roots of eqn sin^2X+psinX+q=0 and cos^2X +rcosX+s=0;then value of cos(a-b)
if a & b are roots of eqn sin^2X+psinX+q=0 and cos^2X +rcosX+s=0;then value of cos(a-b)
1 Answer
Anand
Anand
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