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21 Ιαν 2015 · Name: WORKSHEET: The Six Trigonometric Functions For 1 – 3, Evaluate the six trigonometric functions of the angle θ. 1. 2. 3. For 4 – 6, find the missing side lengths x and y. 4. 5. 6. For 7 – 14, use a calculator to evaluate the trigonometric function to four decimal places. 7. cos 27° 8. tan 5° 9. sin 48° 10. cot 81°
Graph points A(1, 1), B(5, 3), and C( 7 , 1 ). What kind of triangle is ABC ? Find sin A and sin C. 10. A line segment has endpoints A ( 4 , 2) and B ( 0, 6). AB is reflected in the y-axis. Find the sine of A in ABA . A A. [2] B.
Trigonometric ratios provide relationships between the sides and angles of a right angle triangle. The three most commonly used ratios are: sine
Real-life examples of trigonometric ratio include areas such as astronomy, geodesy, surveying, and navigation. Download Trigonometric Ratios Worksheet PDFs. These math worksheets should be practiced regularly and are free to download in PDF formats.
Examples: Find the exact values of the following trig ratios: 1. cos 5π 6 2. sin 4π 3 Ask yourself: • quadrant? • anglefromx-axis? • ± CAST? • value of ratio? 3. tan 3π 4 4. sin 11π 6 5. tan −π 4 6. cos −2π 3 82
1. DEFINITION AND EXAMPLES OF THE TRIGONOMETRIC FUNCTIONS OF AN ACUTE ANGLE IN TERMS OF A RIGHT TRIANGLE. 2. USING A RIGHT TRIANGLE TO FIND THE VALUE OF THE SIX TRIGONOMETRIC FUNCTIONS OF ANGLES IN THE FIRST, SECOND, THIRD, AND FOURTH QUADRANTS. 1.
Trigonometric Ratios. Ensure you have: Pencil or pen. Guidance. Read each question carefully before you begin answering it. Check your answers seem right. Always show your workings. Revision for this topic. www.corbettmaths.com/more/further-maths/ 1. Angle θ is obtuse and sinθ = 5. 4. Work out the value of cosθ. ....................... (4) 2.
