common-core-math-trigonometry-functions-solve-trigonometric-equations-with-trig-identities

# Interactive video lesson plan for: Common core math Trigonometry Functions | Solve Trigonometric Equations with Trig Identities

#### Activity overview:

Common core math Trigonometry Functions | 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 CCSS.MATH.CONTENT.HSF.TF.C.9 Example Q5. Prove the trigonometric equations using trigonometric identities, where the angles involved are acute angles for which the expressions are defined
00:04 CCSS.MATH.CONTENT.HSF.TF.C.9 Example 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.

02:45 q5 (9). Prove the trigonometric identities, where the angles involved are acute angles for which the expressions are defined
03:05 Leran Procedure for proving Trigonometric equations using trigonometric identities
03:09 consider LHS of the trigonometric equation
03:25 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
03:07 Use Pythagorian Identity
sin squared theta plus cos squared theta = 1
05:00 RHS of the trigonometric equation
05:08 Quotient Identity
tan A = sin A/cos A. tan A=cos A/sin A
05:50 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

06:14 CCSS.MATH.CONTENT.HSF.TF.C.9 Example q5 (8).
06:30 Procedure for solving Trigonometric equations
06:40 Consider LHS of the trigonometric equation
07:54 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.
08:31 Use Pythagorian Identity
08:25 Cosecant squared theta minus cot squared theta = 1
08:43 secant squared theta minus tan squared theta = 1
09:04 Simply the trigonometric expression.
09:20 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

09:33 CCSS.MATH.CONTENT.HSF.TF.C.9 Example q5 (2)
09:48 Procedure for proving Trigonometric equations
09:52 consider LHS of the trigonometric equation
10:47 algebra maths formulas | Algebraic Expressions and Formulas
USE (a-b)^2 expanding formula
11:31 Use Pythagorian Identity
sin squared theta plus cos squared theta = 1
12:32 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
12:51 How to prove Trigonometric identities.

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learncbse.in
CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4
Using the fundemental identities and the Pythagorean Identities
multiple examples of verifying trigonometric identities
How to Solve Trigonometric Identities Proving Problems
method to solve trigonometric identities problems
use trigonometric identities
proving problem using trigonometric identity
use some trigonometric ratios of complementary angle

NOTE:Solution completed at 12:57

Tagged under: ncert solutions,learncbse.,gyanpub,Common core,core math Trigonometry,Trigonometry Functions,Solve Trigonometric,Trigonometric Equations,Trigonometric Identities,solve trigonometry,Proving,Trigonometric Ratios,Verifying,Proving Trigonometric Identities,Solving Equations,Fundamental Trigonometric Identities Intro & Proofs, trigonometric ratios complementary angle

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