trigonometry-table-tigonometric-ratios-of-special-angles-solved-problems

Interactive video lesson plan for: Trigonometry table | Tigonometric ratios of special angles solved problems

Activity overview:

Trigonometry table | Tigonometric ratios of special angles solved problems

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/

00:01 CBSE class 10 maths NCERT Solutions Chapter 8 Trigonometry Ex 8.2 Q1. solving trigonometric expressions invoving specific Angles: 0°, 30°, 45°, 60°, 90°
00:16 (i) sin 60° cos 30° + sin 30° cos 60°
00:33 Trigonometry table
Values of Trigonometric Ratios for Standard Angles 0°,sin 30°, 45°,cos 60°, 90°
01:00 simplify the fractions
01:19 (ii) 2 tan2 45° + cos^2 30° – sin^2 60°
01:39 Trigonometric Ratios of specific Angles 0°, cos 30°, 45°, sin 60°, 90°
02:29 (iii) cos 45° / (sec 30° + cosec 30° )
02:45 Values of Trigonometric Ratios for Standard Angles (Trigonometry table)
02:53 Reciprocal identity
03:25 solve fractions
03:55 (iv) (sin 30° + tan 45° – cosec 60°) / (sec 30° + cos 60° + cot 45°)
04:24 Determine all Values of Trigonometric Ratios for Standard Angles using Trigonometry table.
04:50 Solving trigonometric expressions inmolving fractions.
05:40 (v)
06:08 Find Values of Trigonometric Ratios for Standard Angles 0°, 30°, 45°, 60°, 90°.
Use Trigonometry table.
06:46 solve fractions by simplifying numerator and denominator

07:55 CBSE class 10 maths NCERT Solutions Chapter 8 Trigonometry Ex 8.2 Q2. solve problems on Trigonometric Ratios of Specific Angles
08:03 (i) (2tan30°) / (1+tan2 30°)
08:19 Find Values of Trigonometric Ratios for Standard Angles 0°, tan 30°, tan 45°, tan 60°, 90°
08:36 simplify the fractions involving surds or radicals
09:18 check the solution by determining Values of Trigonometric Ratios for Standard Angles
09:25 (ii)
09:41 Trigonometry table
Values of Trigonometric Ratios for Standard Angles 0°,sin 30°, 45°,cos 60°, 90°
10:36 (iii) sin 2A = 2 sin A is true when A =
10:55 Verify by substitution
11:45 (iv)
12:03 Values of Trigonometric Ratios for Standard Angles(Trigonometry table)
12:16 solve fractions.

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learncbse.in
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

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