1f 1 sin A + 1 sinB + 1 sinC =0. prove that: (sin A + sin B + sin C) ^ 2 = sin^2 A + sin^2 B + sin^2 C.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

If y varies directly as x2 and y=6 when x=6, find the constant of variation.