Episode 19 — Trigonometry

Calculating Unknown Lengths Using Trig

Learners will be able to:

• Calculate the length of BD using the sine ratio in triangle ABD. • Determine the value of tan 30 degrees and use it to solve for CD in triangle BCD. • Use trigonometric ratios to find the length of side CD in the given diagram. • Solve a trigonometry problem by substituting values into a formula and simplifying. • Apply the tangent ratio to calculate the length of a side in a right-angled triangle.