বিপরীত ত্রিকোণমিতিক ফাংশন ও ত্রিকোণমিতিক সমীকরণ (Inverse Trigonometric Functions and Trigonometric Equations) MCQs
Showing 50 questions (Total: 1273)
tan-11+x1-x এর অন্তরক সহগ কত?
Correct Answer:
খ: 11+x2
ABC ত্রিভুজে b2sin2c+c2sin2B এর মান কত?
Correct Answer:
ক: 4∆
sin2(cos-113)-cos2(sin-113)=?
Correct Answer:
B: 2/9
sinθ+cosθ=2, θ=?
Correct Answer:
D: 2nπ+π4
limx→0 tanx-sinxx3 - এর মান কত?
Correct Answer:
খ: 1/2
ddx(xtan-1x) এর মান হলো-
Correct Answer:
খ: x1+x2 +tan-1 x
limx→0 sinxx = ?
Correct Answer:
A: 1
The length ofa rectangle is 4 times its width. The rectangle is covered with 216 pieces of blocks each having an area of 1.5 sq. com. What is the length of the rectangle?
Correct Answer:
B: 36
Rahim has a business of renting out costume products. For each costume he rents out. Rahim receives a commission of Tk. 15 plus 20% of the rental price. During one particular Tk. 7,950 .What is the total amount of commission he received in that month.
Correct Answer:
D: Tk. 2,340
Successive discount of 25% and 20% are equal to a single discount of -
Correct Answer:
A: 40%
The ratio between the length and the breadth of a rectangular park is 3: 2 if a man cycling along the boundary of the park at the speed of 20 km /hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?
Correct Answer:
B: 153,600
A tap can fill the tank in 15 minutes and another can empty it in 5 minutes. If the tank is already half -full and both the taps are opened together , how many minutes will the tank take to be emptied?
Correct Answer:
A: 8
A tap can fill a tank in 15 minutes and another can empty it in 8 minutes, If the tank is already half full and both taps are opened together, the tank will be:
Correct Answer:
D: emptied in 8 min
Nafiz inherited 30% of his father's asset . After paying a tax of 20% of his inheritance, what percent of hos father's asset does Nafiz own now?
Correct Answer:
A: 24%
tan y =2t1-t2,sinx = 2t1+t2 হলে dydx কত ?
Correct Answer:
D: 1
যদি 5 tan θ = 4 হয় তাহলে 5 sinθ - 3cos θsinθ+2cosθ=?
Correct Answer:
গ: 5/14
Plane P take off at 2:00 am and flies at a constants speed of Xmph. Plane Q takes off at 3:30 am and flies the same forte as plane p but travels at a constant X, how many hours after 3:30 am will plane Q overtake plan P?
Correct Answer:
D: 5
The table below shows the number of students in three different clubs in Business Administration Discipline of Khulna University . Name of the Club Number of Students chess 40 Drama 30 Debate 25 Although no students is in all the tree clubs, 10 students are in Debate clubs and 6 students are in both Drama and Debate Clubs. How many different students are there in those three clubs?
Correct Answer:
A: 169 students.
Three valves, when opened individually, can drain the water from a certain tank in 3,4 and 5 minutes respectively . What is the greatest part of the tank that can be drained in one minute by opening just two of valves?
Correct Answer:
A: 7/12
sin2040° এর মান কত ?
Correct Answer:
খ: -32
যদি A+B+C = π হয় তবে sin2A+sin2B+sin2C এর মান hobe-
Correct Answer:
A: 4sinA sinB sinC
Rahim has a business of ranting out costume products. For each costume he rents out, Rahim receives a commission of Tk. 15 plus 20% of the rental price. During one particular month, Rahim rented out 50 costumes for a total price of Tk. 7,950. What is the total amount of commission he received in that month?
Correct Answer:
D: TK. 2,340
Asif has a square garden with a perimeter of x feet. David has a rectangular garden with a perimeter of x feet and the length is I fool longer than the weight in the ratio of 5: 3: 2:2 respectively. How many kgs of coffee are there in 18 kgs of the mixture?
Correct Answer:
A: David
A person worksin affirm on monthly salary basis he gets a fixed amount of increment at the end of each year. His monthly salary is Tk. 3500 at the end of 4 th year and Tk. 4250 at the end of 10th yar. what was his initial monthly salary?
Correct Answer:
A: 3125
A fruit vendor purchased 35 dozens of apple at TK. 10 per dozen. Out of those, two dozens got rotten and he sold 28 dozens at Tk. 12 per dozen. Remaining apples were sold by him for TA. 15 per dozen. Find the amount of total profit made by the vendor in this business.
Correct Answer:
A: 61
The ratio between the length and the breadth of a rectangular park is 3 : x. If a man cycling along the boundary of the park at the speed of 20 km/hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?
Correct Answer:
B: 153,600
A tap can fill the tank in 15 minutes and another can empty it in 8 minutes. If the tank is already half-full and both the taps are opened together, how many minutes will the tank take to be emptied
Correct Answer:
A: 8
sinθ=513 এবং সূক্ষ্মকোণ হলে, tanθ + sec(-θ) এর মান কত?
Correct Answer:
খ: 32
(sinθ+i cosθ)4 এর মান হল-
Correct Answer:
ঘ: (cos 4θ - i sin 4θ)
∫ex(1+sinx)1+cosxdx = ?
Correct Answer:
B: ex tanx2+c
∫0π4sinxdx= ?
Correct Answer:
C: কোনটিই নয়
যদি tan x=ba হয়, তাহলে a cos 2x + b sin 2x এর মান হল-
Correct Answer:
ক: a
∆ABC এ cos A=sin B-cos C হলে ত্রিভুজটি হবে-
Correct Answer:
খ: সমকোণী
একটি ত্রিভূজের তিনটি বাহুর দৈর্ঘ্য যথাক্রমে 3, 4, 5 একক হলে ত্রিভূজের অন্তব্যাসার্ধ কত ?
Correct Answer:
খ: 2.5
cosθ=45 হলে, 1-tan2θ1+tan2θ এর মান কত ?
Correct Answer:
খ: 725
sin-1 x+sin-1y=π2 হলে, x2+y2= ?
Correct Answer:
A: 1
limx→0ex-e-x-2xx-sinx এর মান কোনটি ?
Correct Answer:
খ: 2
sincot1tan cos1x এর মানের জন্য নিচের কোনটি উত্তরটি সঠিক?
Correct Answer:
খ: x
sin1x+sin12x=π3 হলে x = ?
Correct Answer:
B: 327
tany = 2t1+t2 এবং sinx = 2t1+t2 হলে dydx এর মান হবে-
Correct Answer:
গ: 1
যদি A+B+C = π, tan-12=A এবং tan-13=B হয় তবে ∠C এর মান কত?
Correct Answer:
খ: 45°
cos (tan-1(sin(cot-1(x))) = ?
Correct Answer:
D: 1+x21+x2
x→0limx(cos x+cos 2x)sin x=?
Correct Answer:
B: 2
θ ধনাত্মক সূক্ষ্মকোণ হলে, 2 sin2 θ = 3 cos θ সমীকরণের θ-এর মান কত?
Correct Answer:
গ: 60°
cos 2x + sin x = 1 সমীকরণটির সমাধান হবে-
Correct Answer:
ক: nπ+(-1)nπ6
tan A = m+nm-n এবং tan B = m-nm+n হলে tan(A-B) এর মান কত হবে?
Correct Answer:
ঘ: 2mnm2-n2
limx→π21-sinx(π2-x)2 এর মান হবে-
Correct Answer:
খ: 12
x অক্ষ এবং y = sin x বক্র রেখার একটি চাপ দ্বারা গঠিত ক্ষেত্রের ক্ষেত্রফল হবে-
Correct Answer:
ক: 2
y=In(sinx) হলে d2ydx2 এর মান কত?
Correct Answer:
গ: -cosec2x
sin15° এর মান কত ?
Correct Answer:
খ: 3-122