Trigonometry questions | form four Basic Mathematics

(6616) Question Category: Mathematical Calculation

In the figure below, AE=20m, EB=20sqrt{2}m and DAE=45^{circ}.

Trigonometry questions form four basic mathematics

FInd:

  1. The length: DE,AD and AB
  2. The area of triangle ABE, leaving the answer in surd form.

Answer / Solution

UNSOLVED

(6617) Question Category: Mathematical Calculation

A river with parallel banks is 20m wide. If P and Q are two points on either side of the river, as shown in the figure below, find the distance PQ.

Trigonometry Questions Form Four Basic Mathematics

Answer / Solution

UNSOLVED

(6618) Question Category: Mathematical Calculation

In the triangle LMN, LM=5m, LN=6m and angle MLN=66°. Find MN.

Answer / Solution

UNSOLVED

(6619) Question Category: Mathematical Calculation

Given x is an accute angle and that sin x=frac{P}{q}, find the value of 	an x.

Answer / Solution

UNSOLVED


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