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# Cosine

## How to Simplify Mathematical Expressions Using Even/Odd Identities

If you are a student of Mathematics or Further Mathematics, then you cannot help but come across trigonometric identities - Sine, Cosine and Tangent. So what should you do when they are presented in mathematical problems? Just hold on, dear student, live and learn. Because sine, cosine, and tangent are functions (trig functions), they can [...]

By |2019-11-13T03:14:07+01:00March 21st, 2016|Categories: Education||0 Comments

## Classwork Series and Exercises {Mathematics JSS2}:

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 [...]

By |2019-11-13T03:15:07+01:00February 26th, 2016|Categories: Education||0 Comments