Math 11 Chapter 12
Application of Trigonometry
Test - 3


Math Class 11
1. Area of triangle in terms of one side and two angles




Math Class 11
2. Incentre of an inscribed circle is the point of intersection of the _______




Math Class 11
3. tan (γ - α/2 ) / tan (γ + α/2 )




Math Class 11
4. Cos γ




Math Class 11
5. In a right angled tringle law of cosine reduces to pythagorus theorem if




Math Class 11
6. In terms of measures of three sides of a triangle Sin γ/2 = _____




Math Class 11
7. The circle passing through the vertices of a triangle is called?




Math Class 11
8. The expression b-a / b+c = tanβ - γ / 2 / tanβ + γ / 2 is called Law of __________.




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