# Class 10th maths science group Chapter 7 Exercise 7.3

## Class 10th maths science group Chapter 7 Exercise 7.3

Class 10th maths science group Chapter 7 Exercise 7.311/11/2017 02:42:09 pm - notes - 10th - Mathematics Science Group - administrator
This series of lecture is about class 10th maths book exercise 7.3. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab.
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This Lecture includes complete notes of Exercise 7.3 Chapter 7 Introduction to Trigonometry from class 10th maths (science group) Punjab Text Book Board. For FBISE, RWPBISE and all other boards like Lahore Board, Sargodha Board etc.
In this Lecture you will go through following Topics:
1. Introduction to Trigonometry
i) Trigonometric Ratios
a) General Angles
b) Angle in standard position
iii) Trigonometric ratios and their reciprocals with the help of a unit circle
iv) The Values of trigonometric ratios for 45o, 30o, 60o
v) Signs of trigonometric ratios in different quadrants
vi) values of remaining trigonometric ratios if one trigonometric ratio is given
vii) Calculate the values of trigonometric ratios for 0o, 90o, 180o, 270o, 360o

Things To know:
Q. 1:	Locate each of the following angles in standard position using protractor or fair free hand guess. Also find a positive and negative angle coterminal with each given angle.
Q. 2:	Identify the closest quadrantal angles between which the following angles lies.
Q. 4:	In which quadrant theta lie when
Q. 5:	Fill in the blanks.
Q. 6:	 The given point P lies on the terminal side of theta. Find quadrant of theta and all six trigonometric ratios.
Q. 7:	If cos theta =(-2)/3 and terminal arm of the angle theta is in quadrant II, find the values of remaining
Q. 8:	If tan theta =4/3 and sin theta < 0, find the values of other trigonometric functions at theta.
Q. 9:	If sin theta=(-1)/sqrt(2) and terminal side of the angle is not in quadrant III, find the values of  tan theta,sec theta and cosec theta
Q. 10:	If cosec theta =13/12 and sec theta > 0, find the remaining trigonometric functions.
Q. 11:	Find the values of trigonometric functions at the indicated angle theta in the right triangle.
Q. 12:	Find the values of the trigonometric functions. Do not use trigonometric tables or calculator.

Class 10th maths science group Chapter 7 Exercise 7.3 All exercises Full Solutions
Class 10th maths science group Chapter 7 Exercise 7.3 Notes
Class 10th maths science group Chapter 7 Exercise 7.3 Video lecture
Class 10th maths science group Chapter 7 Exercise 7.3 All Questions pdf Notes


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Maths Cheat Sheet

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