Question

Solution

Correct option is

sec (x/2)

Given expression is equal to

     

    

SIMILAR QUESTIONS

Q1

    

Q2

If θ and ∅ are acute angles such that sin θ = 1/2 and cos ∅ = 1/3 and cos ∅ = 1/3, then θ + ∅ lies in

Q3

The value of tan 3α cot α cannot lie in

Q4

For a given pair of values x and y satisfying x = sin αy = sin β, there are four different values of z = sin (α + β) whose product is equal to

Q5

 

value of α is

Q6

  

      

Q7

If 0 < A < π/2 the value of the expression

   

Q8

The value of the expression 

Q9

Let f (θ) = sin θ (sin θ + sin 3θ), then f (θ)

Q10

If αβ are positive acute angles and  then tan α = k tanβ such that