Easiest way to remember cosec, sec and cot

Here is a little tip to how to remember the formulas for your favorite trigonometry functions!

Credits: www.cs.utah.edu

$\frac {1}{sinx} = cosecx$

$\frac {1}{cosx} = secx$

$\frac {1}{tanx} = cotx$

Notice how the third alphabet of $cosec, sec, cot$ corresponds to the first letter of $sin, cos, tan$ respectively? 🙂

Hope it helps! Do you have any other cool ways? Share in the comments below!

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KS Teng

KS has been teaching H2/H1 Mathematics and IB mathematics for the more than 10 years. Having taught students from all various Junior Colleges, KS adapts to students' abilities and help them better understand the topics. As someone who loves to teach mathematics and sees it as a truly useful tool in life, KS seeks to enable students to appreciate math. Therefore, his tuition mission is to motivate and cultivate students to be independent and confident thinkers.

Easiest way to remember cosec, sec and cot

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