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Ex 8.1, 11 - Chapter 8 Class 10 Introduction to Trignometry
Last updated at May 29, 2023 by Teachoo
Finding sin cos when sides of a triangle are given
Chapter 8 Class 10 Introduction to Trignometry
Concept wise
- Finding sin cos tan
-
Finding sin cos when sides of a triangle are given
- Finding ratios when other ratios are given
- Finding values of expressions
- Proving
- Trignometric ratios of Specific Angles - Evaluating
- Trignometric ratios of complementry angles
- Expressing ratios in other ratios
- Evaluating using Trignometric Identities
Transcript
Ex 8.1, 11 State whether the following are true or false. Justify your answer. (i) The value of tan A is always less than 1. State whether the following are true or false. Justify your answer. (ii) sec A = 12/5 for some value of angle A. Ex 8.1, 11 State whether the following are true or false. Justify your answer. (iii) cos A is the abbreviation used for the cosecant of angle A. False cos A means cosine of angle A cosec A means cosecant of angle A
