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Problem Based on Secant Formula Video Lecture | Civil Engineering Optional Notes for UPSC

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FAQs on Problem Based on Secant Formula Video Lecture - Civil Engineering Optional Notes for UPSC

1. What is the Secant formula in trigonometry?
Ans. The Secant formula in trigonometry is a mathematical formula used to find the length of the hypotenuse of a right triangle when the length of one side and an acute angle are known.
2. How is the Secant formula derived?
Ans. The Secant formula is derived from the Pythagorean theorem, which states that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other two sides.
3. When is the Secant formula useful in real-life applications?
Ans. The Secant formula is useful in real-life applications such as construction, architecture, engineering, and navigation, where calculating distances or angles in right triangles is necessary.
4. Can the Secant formula be used to find the length of an unknown side in a right triangle?
Ans. Yes, the Secant formula can be used to find the length of an unknown side in a right triangle when the length of one side and an acute angle are known.
5. How does the Secant formula differ from the Sine and Cosine formulas in trigonometry?
Ans. The Secant formula calculates the length of the hypotenuse, while the Sine and Cosine formulas calculate the lengths of the other two sides of a right triangle.
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