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punjab-curriculum-and-textbook-board-pctb
10th-class
mathematics
Mathematics 10
Application of Trigonometry
Finding Trigonometric Ratios between 90° and 180°
Topic 8.3
3 mins read
easy Level
2024 Edition
Finding Trigonometric Ratios between 90° and 180°
Textbook Content
Finding Trigonometric Ratios between 90° and 180°
To find sine and cosine of angle lying between 90° and 180°, proceed as follows:
Topic Tags:
#reference angle
#trigonometric ratios
#sine cosine tangent
#second quadrant
Signs of Trigonometric Ratios in Different Quadrants
Exercise 8.1