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# The Value Of

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## Question

### Solution

Correct option is

x = n π – π/4 + y (n Ïµ I).

The given expression is equal to

#### SIMILAR QUESTIONS

Q1

If sin θ and cos θ are the roots of the equation ax2 – bx + c = 0, then aband c satisfy the relation

Q2

If sin x + sin2 x = 1, then the value of cos12 x + 3 cos10 x + 3 cos8 x + cos6 x – 1 is equal to

Q3

If θ lies in the first quadrant and cos θ = 8/17, then the value of cos (300 +θ) + cos (450 – θ) + cos (1200 – θ) is

Q4

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Q5

The value of the determinant

Is zero if

Q6

is equal to

Q7

An angle α is divided into two parts so that the ratio of the tangents of these parts is λ. If the difference between these parts is x then sinx/sinα is equal to

Q8

or equal to

Q9

Given θ Ïµ (0,π/4) and t1 = (tan θ)tanθ t2 = (tan θ)cotθt3 = (cot θ)tanθand t4 = (cot θ)cotθ then

Q10

If x = sin αy = sin βz = sin (α + β) then cos (α + β) =