Question

Which of the following expressions can be used to find PQ? A. 12 • sin 42°B. 12 • cos 42°C. 12/cos42°D. 12/sin42°

Answer 1

PQ is hypotenuse of the triangle

pR is the opposite side

so,

it will come like

sin 42=12/PQ

PQ=12/sin 42

so the answer is D