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Interactive video lesson plan for: NCERT solutions for CBSE class 10 maths Chapter 8 Trigonometry Ex 8.1

Activity overview:

NCERT solutions for CBSE class 10 maths Chapter 8 Trigonometry Ex 8.1

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 CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.1 q8. If 3 cot A = 4, check whether (1-tan²A)/(1+tan²A) = cos²A - sin²A or not.
00:48 Take LHS of trigonometric equation
00:20 The ratios cosec A, sec A and cot A are respectively, the reciprocals of the ratios sin A, cos A and tan A
02:28 Take RHS of trigonometric equation
02:53 Apply Trigonometric Ratio
tangent of angle theta = side opposite to angle theta / side adjacent to angle theta.
03:31 Pythagoras Theorem
In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
04:01 cosine of angle theta = side adjacent to angle theta / hypotenuse
Remember as ' CAH ' Cosine equals Adjacent over Hypotenus.
04:20 consider Trigonometric Ratio
sine of angle theta = side opposite to angle theta / hypotenuse
sin is equal to opposite over hypotenuse.
Remember as ' SOH '
04:39 solve trigonometric equation

05:31 CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.1 q9. In triangle ABC, right-angled at B, if tan A = 1/ sqrt (3) : find the value of:
(i) sin A cos C + cos A sin C (ii) cos A cos C – sin A sin C
06:06 Naming the sides | Determining the sides of right angles triangles using Trigonometric Ratio Tan.
07:08 tangent of angle theta = side opposite to angle theta / side adjacent to angle theta.
Remeber as ' TAO '. Tan is adjacent over Opposite.Remember as ' TAO '
08:00 Pythagoras LAW
10:08 (i)
11:28 (ii)
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CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4
CBSE class 10 maths NCERT SolutionsChapter 8 Trigonometry Exercise 8.2 | Trigonometric Identities
CBSE class 10 maths NCERT Solutions Chapter 8 Trigonometry
Solutions for CBSE class 10 Maths Trigonometry
NCERT solutions for class 10 maths Trigonometry
NCERT solutions for CBSE class 10 maths Trigonometry
CBSE class 10 maths Trigonometry
Common core Math Trigonometry

Solve right triangles using trigonometric ratios
Maths Tutorial: Trigonometry SOH CAH TOA (trigonometric ratios)
Trigonometry Lessons Part 1: Definitions
Right Triangle Trigonometry
Trigonometry Basics | Trigonometric Ratios | Soh Cah Toa
solve trigonometric expressions using trigonometric ratios
Fundamental relations between the trigonometric ratios of an angle

Tagged under: ncert solutions,learncbse.,gyanpub,SOH CAH TOA,trigonometric ratios,Solve triangles,Right Triangle Trigonometry,Trigonometry Basics,CBSE solutions,CBSE class 10 maths NCERT Solutions,Trigonometry,Trigonometry basics

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