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If cos() = , sin() =  and 0 < ,  < , then tan(2) is equal to  

(a)

 

(b)

 

(c)

 

(d)

 


Question ID - 57568 | Toppr Answer

If cos() = , sin() =  and 0 < ,  < , then tan(2) is equal to  

(a)

 

(b)

 

(c)

 

(d)

 

1 Answer - 5876 Votes

3537

Answer Key : (d) -

  and  both are acute angles.

cos() =

⇒ tan() =

And sin() =

⇒ tan() =

Now, tan2 = tan(() + ())

                       =  

                       =



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