Home
Class 12
MATHS
If 0 < x < pi and cosx + sinx = 1/2 the...

If ` 0 < x < pi` and `cosx + sinx = 1/2` then ` tanx =`

A

`(4-sqrt(7))/(3)`

B

`(4+sqrt(7))/(3)`

C

`(-(4+sqrt(7)))/(3)`

D

`(-4+sqrt(7))/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C, D
Promotional Banner

Similar Questions

Explore conceptually related problems

If A, B, C have position vectors (2, 0, 0), (0, 1, 0) and (0, 0, 2). Show that DeltaABC is isosceles.

If the coordinates (x, y, z) of the point S which is equidistant from the points O(0, 0, 0), A(n^(5), 0, 0), B(0, n^(4), 0), C(0, 0, n) obey the relation 2(x+y+z)+1=0 . If ninZ , then |n|= _____( |*| is the mudulus function).

If ane0,bne0,cne0 and |{:(0,x^2+a,x^4+b),(x^2-a,0,x-c),(x^3-b,x^2+c,0):}|=? , for x=0

If P(0, 1, 2), Q(4, -2, 1) and O(0, 0, 0) are distinct points the manglePOQ = ______.

If P=(0,1,0) and Q=(0,0,1) then the projection of PQ on the plane x+y+z=3 is

To find out the concentrations of SO_(2) in the air (in parts per million, i.e., ppm) the data was collected for 30 localities in a certain city and its presented below : {:("Concentration of "SO_(2) "(in ppm) ",0.00-0.04,0.04-0.08,0.08-0.12,0.12-0.16,0.16-0.20,0.20-0.24),("Frequency "," "4," "9," "9," "2," "4," "2):} Find the mean concentration of SO_(2) in the air

Let f, g and h are differentiable functions. If f(0) = 1; g(0) = 2; h(0) = 3 and the derivatives of theirpair wise products at x=0 are (fg)'(0)=6;(g h)' (0) = 4 and (h f)' (0)=5 then compute the value of (fgh)'(0) .

The locus of a point for which y = 0, z = 0 is ______

Solve : 0. bar ( 36) + 0. bar (28)

If uniform electric field vec E = E_ 0 hati + 2 E _ 0 hatj , where E _ 0 is a constant exists in a region of space and at (0,0) the electric potential V is zero, then the potential at ( x _ 0 , _ 0 ) will be -