Sin30°- Cos60°+ tan60° is ?

• 0

• 1/√3

• 1

• √3

Value of Cosec90° is ?

• 0

• 1

• Not defined

• 2

Value of Cosec30°- Cos60° is ?

• 1/2

• 3/2

• Not defined

• 2

Value of Sec90° is ?

• 1

• 0

• 2

• Not defined

Which of the following trigonometric ratio is not correct ?

• SecA= Hypotenuse/Base

• CotA= Perpendicular/Base

• SinA= perpendicular/Hypotenuse

• CosecA= Hypotenuse/perpendicular

Which of the following formula is not Correct ?

• tanA×CotA=1

• tanA= SinA/CosA

• CotA =1/tanA

• CotA= SinA/CosA

sin(A+B)=?

• sinAcosB+cosBsinA

• sinAcosB+cosAsinB

• sinA+sinB

• none of these

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

What is the correct ratio?

• sin 40 = w/28
• cos 40 = w/28
• tan 40 = w/28
• sin 40 = 28/w

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root