# Interactive video lesson plan for: Find other Trigonometric Ratios in terms of secant using Trigonometric Identities

#### Activity overview:

Find other Trigonometric Ratios in terms of secant using Trigonometric Identities

http://www.learncbse.in/ncert-class-10-math-solutions/
http://www.learncbse.in/ncert-solutions-for-class-10-maths-chapter-8-introduction-to-trigonometry/
http://www.learncbse.in/rd-sharma-class-10-solutions-chapter-5-trigonometric-ratios/

00:02 1. Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.
00:24 Defination of trigonometry Identities
An equation is called an identity when it is true for all values of the variables involved.
An equation involving trigonometric ratios of an angle is called a trigonometric identity, if it is true for all values of the angle(s) involved
00:30 Pythagorean Identities
01:22 Recipracal Identities
02:03 Use of Pythagorian Identity
Cosecant squared theta minus cot squared theta = 1
02:54 Express sin A in terms of CotA
03:11 Find sec A in terms of Cot A
03:23 Use of Pythagorian Identity
secant squared theta minus tan squared theta = 1
04:06 Recipracal Identities
04:40 Sec A in terms of Cot A.
04:56 2. Write all the other trigonometric ratios of ? A in terms of sec A.
05:33 What is trigonometry Identities ?
An equation is called an identity when it is true for all values of the variables involved.
An equation involving trigonometric ratios of an angle is called a trigonometric identity, if it is true for all values of the angle(s) involved
05:43 Pythagorian Identities
06:18 write sin A in terms of Sec A
06:45 Using Recipracal Identities , write cos A as (1/SecA).
07:01 Pythagorian Identity 1
07:53 SinA in terms of SecA.
08:15 Tan A in terms of SecA.
09:19 CosecA in terms of SecA.

learncbse.in
CBSE solutions for class 10 maths Chapter 6 Triangles Exercise 8.4
CBSE class 10 maths NCERT Solutions chapter 8 Trigonometry Exercise 8.4| trigonometric identities
CBSE class 10 maths NCERT Solutions chapter 8 Trigonometry
Solutions for CBSE class 10 Maths chapter 8 Trigonometry
NCERT solutions for class 10 maths Triangles
NCERT solutions for CBSE class 10 maths chapter 8 Trigonometry
CBSE class 10 maths solutions chapter 8 Trigonometry

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