Pre Algebra Prealgebra is a common name for a course in middle school mathematics in the united states, usually taught in the 7th or 8th grade. The objective of it is to prepare students for the study of algebra. Usually algebra is taught to prepare students for a standard high school algebraic course.in the 8th […]
Read More →Ratio A ratio is a powerful tool for comparing quantities. By understanding how to represent, simplify, and use ratios, we can solve various practical problems. Whether in cooking, finance, or everyday measurements, ratios help make sense of the relationships between different quantities. A ratio is a mathematical expression that represents the relationship between two or […]
Read More →Multiplication of Ratios 1. Find the ratio of following. (a) 3×4/2×8 (b) 7×6/1×9 […]
Read More →Trigonometric Ratios of Some Specific Angles Trigonometric Ratios Here are Trigonometric Ratios of some Specific angles, 00, 300, 450 , 600 and 900. Example: (1) Find the value of sin600 cos300 + sin300 cos600 Values of Trigonometric Ratios from above table, sin 600 = √3/2, […]
Read More →Solutions of Trigonometric Ratios (1) If sin A = 4/5, find the other trigonometric ratios of the angle A. Solution: Let us draw a right △ ABC in which ∠B = 900 We know that, sin A = 4/5 = BC/AC Therefore, if BC =4k, then AC = 5k, where k is a positive number. Now, using […]
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