trigonometric-identities-lesson-solve-trigonometric-equations-with-trigonometric-identities

# Interactive video lesson plan for: Trigonometric Identities lesson | Solve Trigonometric Equations with Trigonometric Identities

#### Activity overview:

Trigonometric Identities lesson | Solve Trigonometric Equations with 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 NCERT solutions for CBSE class 10 maths Trigonometry
CBSE class 10 maths Solutions Trigonometry Exercise 8.4 Q5. Prove the trigonometric equations using trigonometric identities, where the angles involved are acute angles for which the expressions are defined
00:04 q5 (7)
00:19 Procedure for proving Trigonometric equations using trigonometric identities
00:27 Take LHS of the trigonometric equation
01:14 Quotient Identity
tan A = sin A/cos A.
01:22 Use Pythagorian Identity
sin squared theta plus cos squared theta = 1
01:49 solving trigonometric expressions
02:28 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

02:47 NCERT solutions for CBSE class 10 maths Trigonometry
CBSE class 10 maths Solutions Trigonometry Exercise 8.4 q5 (9). Prove the trigonometric identities, where the angles involved are acute angles for which the expressions are defined
03:11 Learn Procedure for proving Trigonometric equations using trigonometric identities
3:15 consider LHS of the trigonometric equation
03:31 Reciprocal Identity.
The ratios cosec A, sec A and cot A are respectively, the reciprocals of the ratios sin A, cos A and tan A.
cosec A = 1 / cos A
04:10 Use Pythagorian Identity
sin squared theta plus cos squared theta = 1
05:01 RHS of the trigonometric equation
05:16 Quotient Identity
tan A = sin A/cos A. tan A=cos A/sin A
05:54 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

06:08 NCERT solutions for CBSE class 10 maths Trigonometry
CBSE class 10 maths Solutions Trigonometry Exercise 8.4 Q5. Prove the trigonometric identities, where the angles involved are acute angles for which the expressions are defined
06:14 q5 (8).
06:37 Procedure for solving Trigonometric equations
06:42 Consider LHS of the trigonometric equation
07:59 Reciprocal Identity.
The ratios cosec A, sec A and cot A are respectively, the reciprocals of the ratios sin A, cos A and tan A.
cosec A = 1 / sin A.
08:41 Use Pythagorian Identity
08:42 Cosecant squared theta minus cot squared theta = 1
08:45 secant squared theta minus tan squared theta = 1
08:52 Simply the trigonometric expression.
08:59 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

Q5. Prove the trigonometric equations using trigonometric identities, where the angles involved are acute angles for which the expressions are defined
NCERT solutions for CBSE class 10 maths Trigonometry
CBSE class 10 maths Solutions Trigonometry Exercise 8.4 q5 (4)
solving trigonometric identities procedure
consider LHS of the trigonometric equation
Reciprocal Identity.
The ratios cosec A, sec A and cot A are respectively, the reciprocals of the ratios sin A, cos A and tan A
sec A = 1/cos A.
consider RHS of the trigonometric equation
Use Pythagorian Identity
sin squared theta plus cos squared theta = 1
a squared minus b square formula
LHS & RHS of the trigonometric equation are equal.
Hence,trigonometric identity is solved..

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learncbse.in
CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4
CBSE class 10 maths NCERT Solutions Chapter 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 Solutions Trigonometry Exercise 8.4
Common core Math Trigonometry

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