If A + B + C = π, Then The Greatest Value Of Cos A + B + Cos C Is:

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Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1

 

  

 

Q2

If 0 < x < π/2 and sinx + cosn x ≥ 1 then:

Q3

If the mapping of f (x) = ax + ba < 0 maps [–1, 1] onto [0, 2], then for all values of θ, A = cos2θ + sin4θ is:

Q4

 

The most general values of ‘x’ for which

 {1, a2 – 4a + 6} are given by:

Q5

 

Value of ‘x’ and ‘y’ satisfying the equation: 

 

 

Q6

 

If F(x) = sinx + cosx, then the most general solution of

 are (where [x] is the greatest integer less than or equal to (‘x’)

Q7

If max {5sin θ + 3sin (θ – α)} = 7, then the set of possible value of α is θ ÏµR

Q8

 for some real x, then the minimum value of | cos θ | is equal to:

Q9

 

If       

Q10