Two-Dimensional Problems (Grade 10 NSC Matric Mathematics): Flashcards

Sin=Opp/Hyp, Cos=Adj/Hyp, Tan=Opp/Adj

$\frac{\text{opposite}}{\text{hypotenuse}}$

$\frac{\text{adjacent}}{\text{hypotenuse}}$

$\frac{\text{opposite}}{\text{adjacent}}$

Angle from horizontal up to object above horizontal plane

Angle from horizontal down to object below horizontal plane

They are equal

Tool to measure angles of inclination/elevation

Draw a clear diagram showing all given information

Connects observer directly to object being viewed