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Basics of unit circle in trigonometry

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Signs of trigonometry ratios in different quadrants and at different angles

Shortcut trick to remember signs of trigonometry ratios in different quadrant

NCERT Exercise 3.2
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Find the values of other five trigonometric functions in Exercises 1 to 5.

1. \( \cos x = – \frac{1}{2}, x\) lies in the third quadrant

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2. \( \sin x =  \frac{3}{5}, x\) lies in the second quadrant

3. \( \cot x =  \frac{3}{4}, x\) lies in the third quadrant

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4. \( \sec x =  \frac{13}{5}, x\) lies in the fourth quadrant

5. \( \tan x = – \frac{5}{12}, x\) lies in the second quadrant

Relationship between trigonometric ratios of positive and negative angles

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  1. sir 2020 mia class 12th ki live classes kabse suru hogi ??? sir live classes hogi bhi yaa nhi hame ya hame video se hi padhna padegaa??

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