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Practice Questions: Trigonometry Video Lecture | Quantitative Aptitude (Quant) - Interview Preparation
FAQs on Practice Questions: Trigonometry Video Lecture - Quantitative Aptitude (Quant) - Interview Preparation
| 1. What is trigonometry? |  |
Ans. Trigonometry is a branch of mathematics that deals with the relationships between the angles and sides of triangles. It involves the study of trigonometric functions such as sine, cosine, and tangent, and their applications in solving various real-life problems.
| 2. How do I find the value of a trigonometric function? | |
Ans. To find the value of a trigonometric function, you need to use the ratios of the sides of a right triangle. For example, to find the sine of an angle, divide the length of the side opposite the angle by the length of the hypotenuse. For cosine, divide the length of the adjacent side by the length of the hypotenuse.
| 3. What are the primary trigonometric functions? | |
Ans. The primary trigonometric functions are sine, cosine, and tangent. Sine (sin) is the ratio of the opposite side to the hypotenuse, cosine (cos) is the ratio of the adjacent side to the hypotenuse, and tangent (tan) is the ratio of the opposite side to the adjacent side.
| 4. How can I use trigonometry in real-life applications? | |
Ans. Trigonometry is widely used in various fields such as physics, engineering, architecture, and navigation. It can be used to calculate distances, heights, angles, and velocities. For example, it is used in surveying to measure land, in physics to analyze the motion of objects, and in navigation to determine the direction and distance between two points.
| 5. What are the reciprocal trigonometric functions? | |
Ans. The reciprocal trigonometric functions are cosecant (csc), secant (sec), and cotangent (cot). Cosecant (csc) is the reciprocal of sine, secant (sec) is the reciprocal of cosine, and cotangent (cot) is the reciprocal of tangent. They can be found by taking the reciprocal of the corresponding primary trigonometric function.
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