When do I use the Sine rule?
You use the sine rule (a/sina=b/sinb) when you know 2 angles and one side amd you want to find out what the length of the side opposite one of the angles is.
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Related Maths GCSE answers
All answers ▸Find the point(s) of intersection of the graphs y=x^2+4x-21 and x+y=-27 using an algebraic method.
Determine if the Following equality has real roots: (3*X^2) - (2*X) + 4 = (5*X^2) + (3*X) + 9, If the equation has real roots, calculate the roots for this equation.
f(x) = 4x^2 + 8x - 5 ; complete the square to find the turning point of f(x).
Expand and simplify the following; (2 + 3^0.5)^2 - (2 - 3^0.5)^2