Trigonometry

Q3: For this diagram: What is the angle of elevation of B from A? What is the angle of depression of A from B?

a) 22 degrees

b) 22 degrees

Q4: Find the values of the pronumerals in this diagram.

a) 65, 25 degrees

Q5: The angle of elevation of the top of a castle wall from a point on the ground 25 m from the base of the castle wall is 32◦ . Find the height of the castle wall to the nearest metre

a) 25×tan(32)25\times\tan\left(32^{}\right) = 16m

Q6: From a point on the ground, Emma measures the angle of elevation of an 80 m tower to be 27◦ . Find how far Emma is from the base of the tower, correct to the nearest metre.

a)