Introduction to Trigonometry and Law of Sines

In triangle ABC, AC = 7 cm, BC  =24 cm ,then cos A is 

• 7/25

• 24/25

• 7/24

• 24/7

In triangle ABC, AC = 7 cm, BC  =24 cm ,then tan A is 

• 7/25

• 24/25

• 7/24

• 24/7

In triangle ABC, AC = 7 cm, BC  =24 cm ,then cot A is 

• 7/25

• 24/25

• 7/24

• 24/7

In triangle ABC, AC = 7 cm, BC  =24 cm ,then sec A is 

• 7/25

• 24/25

• 25/24

• 25/7

In triangle ABC, AC = 1 cm, BC  = √3 cm ,then tan B 

• 1/√3

• √3

• √3/2

• 2

In triangle ABC, AC = 1 cm, BC  = √3 cm ,then cot B 

• 1/√3

• √3

• √3/2

• 2

In triangle ABC, AC = 1 cm, BC  = √3 cm ,then sin B 

• 1/√3

• 2/√3

• 1/2

• √3/2

In triangle ABC, AC = 1 cm, BC  = √3 cm ,then cos B 

• 1/√3

• 2/√3

• 1/2

• √3/2

In triangle ABC, BC = 5 cm, AB =13 cm ,then cos B is 

• 5/13

• 12/13

• 5/12

• 12/5

In a right angled triangle the side opposite to right angle is called

• Base

• Perpendicular

• Hypotenuse

• None of the above