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.

Follow us:

On Twitter

https://twitter.com/cbseguesspapers

Linkedin

https://www.linkedin.com/profile/view?id=396397973&trk=nav_responsive_tab_profile

Pinterest

https://in.pinterest.com/LearnCBSE/

Facebook

https://www.facebook.com/cbseguesspapers

Youtube LearnCBSE.in

https://www.youtube.com/user/CBSEPapers

Wordpress

https://cbselabs.wordpress.com/

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

Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.

Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip

Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans

1. Students enter a simple code

2. You play the video

3. The students comment

4. You review and reflect

* Whiteboard required for teacher-paced activities

With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.

Quickfire

Carry out a quickfire formative assessment to see what the whole class is thinking

Discuss

Create interactive presentations to spark creativity in class

Team Up

Student teams can create and share collaborative presentations from linked devices

Clip

Turn any public video into a live chat with questions and quizzes

Tried out the canvas response option on @SpiralEducation & it's so awesome! Add text or drawings AND annotate an image! #R10tech

Using @SpiralEducation in class for math review. Student approved! Thumbs up! Thanks.

Absolutely amazing collaboration from year 10 today. 100% engagement and constant smiles from all #lovetsla #spiral

Students show better Interpersonal Writing skills than Speaking via @SpiralEducation Great #data #langchat folks!

Dr Ayla Göl
@iladylayla

A good tool for supporting active #learning.

The Team Up app is unlike anything I have ever seen. You left NOTHING out! So impressed!