Test Mode Reading Mode Right = 0 Wrong = 0
Created: 3 months ago | Updated: 9 hours ago
e
2+e
2e
2
Created: 3 months ago | Updated: 9 hours ago
2
1/2
Created: 3 months ago | Updated: 10 hours ago
secxdx=Intan(π4-x2)
secxdx=Intan(π4+x2)
secxdx=Insecx+tanx
dxa2+x2=12tan-1xa
Created: 3 months ago | Updated: 10 hours ago
π/2
π/10
π/8
π/12
1
-13
2+3i
2-3i
Created: 3 months ago | Updated: 9 hours ago
π
π/2
π/4
সমদ্বিবাহু
সমবাহু
সমকোণী
স্থুলকোণী
(4, 4)
(2, 2)
(2, 4)
(19/4, 2)
১৩
12
১১২
১২১
211
১২২
3+23i
2+23i
4+23i
2+22i
05
25
23
45
x-1<6
x-2<6
x-1<5
x-2<7
C516
C310
C816
C108
Created: 3 months ago | Updated: 9 hours ago
cos3A=3cosA-4cos3A
tan3A=3tanA-tan3A1-3tan2A
sin3A=3sinA-4sin3A
cos2A=1-tan2A1+tan2A
2/3
√3/2
√2
1/√2
30°
90°
45°
60°
১০৪
৩৫
f(a) = b, f(b) = c, f(c) = d, f(d) = a
f(a) = b, f(b) = c, f(c) = b, f(d) = a
f(a) = b, f(b) = c, f(c) = d
f(a) = b, f(b) = c, f(c) = d, f(c) = a
(3, 90°)
(2, 180°)
(2, 120°)
(2, 9°)
√65
3√5
√6
3√2
(-4, 4)
(4, -4)
(3, -4)
(3, 4)
(0, ±2)
(0, -2)
(0, ±1)
(0, -1)
Created: 3 months ago | Updated: 4 days ago
12
13
23
-13
Created: 3 months ago | Updated: 9 hours ago
2+2+2
2+2-2
2-2+2
2
১০
5
-10
Created: 3 months ago | Updated: 4 days ago
-1sinθ1
0sinθ1
-1>sinθ>1
1>sinθ
৪৩৫
-882
632
-2738
Created: 3 months ago | Updated: 4 days ago
-12
2
12
Created: 3 months ago | Updated: 1 day ago
1
-1
π
Created: 3 months ago | Updated: 1 day ago
In x
In (In x)
ex
Inx + 1
2a2
a1
A
2A
Created: 3 months ago | Updated: 4 days ago
-x-y
xy
-y-x
x-y
Created: 3 months ago | Updated: 4 days ago
sinθ=-1, θ=(4n+1)π/2
cosθ=-1, θ=(2n+1)π
sinθ=1, θ=(4n-1)π/2
cosθ=1, θ=
Created: 3 months ago | Updated: 4 days ago
5
১৫
৩৫
Created: 3 months ago | Updated: 15 hours ago
x + y
x+y=xy
x+y>xy
x+y≥xy

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