Trigonometry Sketch Diagram and Solve Application with Primary Trig Ratio

Q1. An airplane flying at an altitude of 10 km starts its descent 250 km from the airport. At what angle down from the horizon will the airplane descend?

Q2. A 4 m ladder leans against a vertical wall and makes an angle of 76 with the ground. Find the distance of the foot of the ladder from the wall and the how high up the wall is the top of the ladder.

Q3. A cone just fits inside a can. The diameter of the cone is 8.0 cm and its height is 11 cm. Find the angle at the vertex of the cone.

Q4. A roof truss spans a width of 36’ and has height of 8’. The sides that join at the top of the truss are equal in length. Find the angle formed by the two sides that join at the top of the truss.
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• Understand Primary Trigonometric Ratios
• What is CAST Rule?
• What are Special Triangles?
• Evaluate Trigonometric Ratios
• Work with Inverse Trigonometric Ratios
• Crack Multiple Choice Questions
• Best Strategies and Tricks to Master