Poll Machine
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সূরাঃ আন-নাজম [53:24]

أَمْ لِلْإِنسَٰنِ مَا تَمَنَّىٰ

অর্থ: মানুষ যা চায়, তাই কি পায়?

সূরাঃ আন-নাজম [53:39]

وَأَن لَّيْسَ لِلْإِنسَٰنِ إِلَّا مَا سَعَىٰ

অর্থ: এবং মানুষ তাই পায়, যা সে চেষ্টা করে।
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[Poll Machine]

Cos2θ = √3/2 হলে, θ এর মান -
Anonymous Quiz
10%
2nπ ± π/6
47%
nπ ± π/12
38%
2nπ ± π/12
5%
nπ ± π/6
🥰1
[Poll Machine]

Cot-¹x = Sin-¹y হলে, y =?
Anonymous Quiz
52%
1/√(1+x²)
14%
√(1+x²)
29%
1/(√(1–x²)
5%
√(1–x²)
[Poll Machine]

Sin-¹x +. Sin-¹y =π/2 হলে, x(√(1-y²) + y(1-x²) এর মান কত?
Anonymous Quiz
16%
0
70%
1
5%
-1
9%
√(x²+y²)
[Poll Machine]

n একটি পূর্ণসংখ্যা হলে, tan(nπ+α) এর মান কত?
Anonymous Quiz
7%
Cotα
17%
–Cotα
62%
tanα
14%
–tanα
[Poll Machine]

–tan(180°-30°) এর মান কোনটি?
Anonymous Quiz
4%
√3/2
23%
-1/√3
64%
1/√3
8%
–√3/2
🥰1
[Poll Machine]

Sin(2tan-¹x) =?
Anonymous Quiz
7%
1–x²/1+x²
26%
2x/1–x²
8%
1–x²/2x
58%
2x/1+x²
🥰1
[Poll Machine]

যদি Sin-¹(2a/1+a²)–cos-¹(1–b/1+b²) = 2tan-¹x হয়, তবে x=?
Anonymous Quiz
10%
a–b/a+b
69%
a–b/1+ab
10%
a+b
12%
a–b
[Poll Machine]

θ = cos-¹4/5 হলে 1+tan²θ/1-tan²θ এর মান কত?
Anonymous Quiz
9%
7/25
20%
9/25
24%
16/25
47%
25/7
🔥1
[Poll Machine]

বিপরীত বৃত্তীয় ফাংশন sec²(tan-¹2)+ cosec²(cot-¹3)এর মান-
Anonymous Quiz
5%
12
15%
13
78%
15
2%
3
[Poll Machine]

tan ( tan-¹1/3 + tan-¹1/2) =?
Anonymous Quiz
11%
5/6
49%
1
38%
π/4
2%
-5/6
[Poll Machine]

Sin-¹x+Sin-¹y = π/2 হলে , y =?
Anonymous Quiz
14%
1–x²
9%
x²–1
68%
√(1–x²)
9%
√(x²–1)
😢1
[Poll Machine]

Sin²(cos-¹1/3 – cos²(sin-¹1/√3) এর মান কোনটি?
Anonymous Quiz
6%
1/9
48%
2/9
20%
0
26%
None of these
[Poll Machine]

tan-¹ (A) = Sin-¹(2/3) হলে ,A এর মান-
Anonymous Quiz
71%
2/√5
16%
√5/2
9%
3/√5
4%
√5/3
[Poll Machine]

tan-¹x + tan-¹(1/x) এর মান কোনটি?
Anonymous Quiz
12%
1
7%
x
12%
1/x
69%
π/2
[Poll Machine]

tan cot-¹ sin cosec-¹1/√x =?
Anonymous Quiz
4%
1/x
16%
1+x/1–x
11%
√x
60%
1/√x
9%
None
[Poll Machine]

Cosθ + √3sinθ =2 সমীকরণের সমাধান -
Anonymous Quiz
9%
2nπ–π/3
39%
2nπ+π/6
51%
2nπ+π/3
1%
2nπ–π/4
[Poll Machine]

x=√2 হয়, তবে cos sin-¹ tan sin-¹ 1/√1+x² এর মান কত?
Anonymous Quiz
9%
0
7%
1
10%
√2
26%
1/√3
49%
1/√2
🔥1
[Poll Machine]

tan-¹ + tan-¹2 + tan-¹3 =?
Anonymous Quiz
29%
0
40%
π/2
21%
π
9%
1
[Poll Machine]

Arc tan{ sin( arc cos √2/√3) } =?
Anonymous Quiz
13%
π/2
13%
π/3
22%
π/4
51%
π/6
🥰1
[Poll Machine]

Sin-¹4/5 + cos-¹2/√5 =?
Anonymous Quiz
7%
tan-¹2/11
13%
Sin-¹11/2
74%
tan-¹11/2
5%
Cos-¹11/2
🥰1