Question

If  be acute angles and 

Solution

Correct option is

 

  

Apply ‘C’ and ‘D’, 

      

SIMILAR QUESTIONS

Q1
Q2

 and .

Q3
Q4

 

, then x + y + z is equal to

 

Q5

 is an identify is x. Where  are constants, then find the value of n.

Q6

Solve :    for general values of .

Q7

 

The value of expression

       

Q10

If  are in A.P. then  are in