Practice — what type is this question? (Trigonometry)

Read each question and decide what type it is before revealing the answer.

Grade 10Paper 2Level 2 — Routine Procedures

In the diagram, ABC, ACD and ADE are right-angled triangles. BÂE = 90° and BÂC = 30°. BC = 20 units and AD = 60 units. 4.1.1 Calculate the length of AC.

Source: DBE Mathematics Paper 2, Grade 10, November 2018, Question 4.1.1

Grade 10Paper 2Level 2 — Routine Procedures

Determine the value of the following WITHOUT using a calculator: cosec 45° / (sin 90° . tan 60°)

Source: DBE Mathematics Paper 2, Grade 10, November 2018, Question 3.3

Grade 10Paper 2Level 2 — Routine Procedures

Solve for x, correct to ONE decimal place, where 0° ≤ x ≤ 90°: 5 cos x + 2 = 4

Source: DBE Mathematics Paper 2, Grade 10, November 2018, Question 4.2.2