Trigonometry - example
Assignment. Determine , and calculate the area of the triangle below.
Solution. The hypotenuse can be obtained by using sine:
To obtain the missing leg (let us denote it ), we use Pythagoras' theorem. For simplicity, we drop the measurement units in the equation:
Finally, we calculate the area of the triangle:
Answers: the hypotenuse is , and the area of the triangle is .