This video comprises the Exercise 7.4 Question no. 1 and 10 of unit 7 classes 10th PTB according to the new smart syllabus 2020-21 of Punjab boards, Federal Board and Agha khan board AKEU in Urdu and Hindi. We also learnt derivation of trigonometric formulas. In this video I will discuss some basic concept like trigonometric formulas, trigonometric table in detail in Urdu and Hindi. If there is any question please mention it comment section.

How we derived trigonometric formulas? What are the applications of trigonometric formulas in question? What is the sign of trigonometric ratios in different quadrants? How find the values of trigonometric function without using trigonometric table and calculator? What is meant by word trigonometry?

My name is Masood Mubashir and you are watching my channel “Learning zone” the one and only destination of smart learning. We provide free and interesting online lecture according to smart syllabus for Maths for middle and secondary classes of Punjab Boards, Sind board, kpk board, Baluchistan, Federal Board and Agha Khan Examination Board and University AKEU in Urdu. I also upload general content related to educational news, career planning and different universities admission schedule.

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Exercise 7.3 Question no. 7 to 10 please follows this link.

https://youtu.be/WOvJDCRffIo

Exercise 7.3 Question no. 4 to 6 please follows this link.

https://youtu.be/DHqdzYr9aMk

Exercise 7.3 Question no. 1 to 3, please follow this link.

https://youtu.be/TIEN-WzgS_8

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