How do you evaluate trigonometric functions in the four quadrants, using reference angles. Watch this video to learn! I am a math educator and through this simple technique, you will learn how easy it is to evaluate say , cosec 1450 or any other value.
You will learn the concept of A S T C or “ALL STUDENTS TAKE COFFEE” or any other phrase of your choice. A great resource for math students , mainly Class 11, because that is when this topic is introduced.
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So, thank you for watching. Which phrase would you like to use for “ ASTC” ?