Question

If π/2 < α < π, then the expression  is equal to  

 

Solution

Correct option is

      

as α is in the II quadrant.

 

SIMILAR QUESTIONS

Q3

The value of tan 130o tan 140o is equal to

Q4

 then x is equal to

Q5

 then tan x is equal to   

 

Q6
Q7

 is equal to 

Q10

If 0 < θ < π/2 and sin θ + cos θ + tan θ + cot θ + sec θ + cosec θ is equal to 7, then sin 2θ is a root of the equation