opt (9)

iF ( x+2,3y)=(4,12),what is the value of x and y?

• x=2,y=4

• x=4,y=9

• x=0,y=36

• x=6,y=15

Any subsets of Relation is called ................

• relation

• domain

• fuction

• Range

 $what\ is\ the\ value\ of\ \sin\theta\times\cos\theta?$  

• 1

• 2

• 0

• 3

 $what\ is\ the\ value\ of\ \sin^2\theta+\cos^2\theta?$  

• 0

• 1

• 2

• 3

what is the formula of Sin(A+B)?

• SinA.SinB-CosA.SinB

• SinA.SinB+CosA.CosB

• SinA.CosB+CosA.SinB

• CosA.COSB+SinA.SinB

what is the value of sin 30?

• 1

• 0

• 2

• 1/2

 $what\ is\ the\ value\ of\ \sec^2\alpha-Tan^2\alpha?$  

• 0

• 2

• 1

• 3

 $what\ is\ the\ formula\ of\ \sin\left(90-\theta\right)?$  

•  $Sin\theta$  

•  $Cos\theta$  

•  $Tan\theta$  

•  $Sec\theta$  

 $What\ is\ the\ formula\ of\ Tan\theta?$  

•  $Tan\theta=Sin\theta\div Cos\theta$  

•  $Tan\theta=Cos\theta\div Sin\theta$  

•  $Tan\theta\ \theta=Co\sec\theta\div Sec\theta$  

•  $Tan\theta=Sin\theta\div Cot\theta$  

 $What\ is\ the\ value\ of\ Sin45?$  

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{2}}$  

•  $\sqrt{2}$  

•  $\sqrt{\frac{3}{2}}$