Mathematical Tools|Relation Between Degrees and Radian|Standard Values|Measurement of Positive & Negative Angle|Basic Trigonometric Functions|ASTC Rule|Rules for Finding Trigonometric Ratio of Angles Greater Than 90 Degree

Mathematical Tools|Function|Relation Between Degrees & Radian|Standard Values|Measurment Of Positive & Negative Angle|Basic Trigonometric Functions|ASTC Rule|Rules For Finding Trigonometric Ratio Of Angles Greater Than 90°

Measurements Angles (कोणों का मापन)|Systems of Measurement of Angles (कोणों के मापन की पद्धति)|Relation Between Degrees, Grades and Radians|Examples|Trigonometric Ratios|Fundamental Trigonometric Identities|Trigonometric Ratios of Standard Angles|Trigonometric Ratios of Allied Angles|Examples|OMR

Basic Mathematics|Basics Of Trigonometry|Questions|Trigonometrical Ratios|ASTC Rule Of The Four Quadrants|Trigonometrical Ratios Of General Angles|Practice Exercise|Summary

The least numerical value, either positive or negative of angle theta is called principal value of the inverse trigonometric function.

Measurement Of Plane Angle|Radian|Examples|Conversion Of Degree To Radian|Examples|ASTC Rule|Practice Exercise|Summary

Trigonometric values for some special angle between 0^(@) to 90^(@)

Exercise Questions|Trigonometric Function And Allied Angles|Exercise Questions|Values Of T- Ratios Of Some Standard Angles:|Exercise Questions|OMR

Exercise Questions|Trigonometric Function Of Allied Angles|Exercise Questions|Values Of T-Ratios Of Some Standard Angles|Exercise Questions|OMR

To find the trigonometrical ratios of an angle -theta ) in terms of theta, for all values of theta.

If sin theta = (5)/(13), where theta is an acute angle , find the values of other trigonometric ratios using identities .