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JSS 3 Mathematics Second Term Week 7 Topic: SINE AND COSINE OF ANGLES The sine (abbreviated “sin“) and cosine (“cos“) are the two most prominent trigonometric functions. All other trig functions can be expressed in terms of them. In fact, the sine and cosine functions are closely related and can be expressed in terms of each other. Definition […]
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JSS 1 Mathematics Second Term Week 4 Topic: ALGEBRAIC SIMPLIFICATION 2: BRACKETS Multiplying and Dividing Algebraic Terms a. Just as 5a is a short for 5 X a, so ab is short for a X b. b. Just as 5 X 3 = 3 X 5, so a X b = b X a. It
SSS 3 SECOND TERM MATHEMATICS Topic: USE OF CUMULATIVE FREQUENCY TO ESTIMATE PERCENTILES INCLUDING MEDIUM The cumulative frequency curve (Ogive) can be used to estimate the median, the quartiles and percentiles of a grouped data. The median is the mark that corresponds to the middle item (i.e. the mark half-way up the distribution). So to
SSS 1 SECOND TERM MATHEMATICS WEEK FIVE Topic: IDEA OF SETS Definition and Notation A set can be defined as a collection of objects according to a well defined common elements or property. The main purpose of this their common property is foe easy identification. For instance, we hear of under 13 football players, meaning
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