– 7 × sin(76°) / cos(38°) * cos(52°)
– 7 * sin(76°) / cos(38°) * cos(52°) = -7*sin 2*38°/ cos(38°)* cos (90°-38°)= -7*2*sin38ᵒ*cos38ᵒ/cos38ᵒ*sin38ᵒ=-14