Here,     Sin²45o - tan²30 o + cos60o/sec²30o +osin²60o. Using their values we get, = (1/√2)2 - (1/√3)2 + .....

We have,  2 Sin2θ + 3 Cosθ = 3 or, 2(1- cos2θ) + 3 cosθ = 3 or, 2 - 2cos2θ + 3 cosθ = 3 or, 2cos2θ - 3cosθ + 1 = 0 or, 2cos2θ - 2cosθ - cosθ + 1 = 0 or, 2cosθ( .....

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Here,     Sin²45o - tan²30o + cos60o. Using their values, we get = (1/√2)2 - (1/√3)2 + (1/2)2   = 1/2 - 1/3 + 1/4 = (6 - 4 + .....

Here,  Total no. of students [n(U)] = 130 students who like tea [n(T)] = 70 students who like coffee[n(C)] = 40 students who don't like both tea and coffee  [n(T∪C)'] = 30 students who like both tea and coffee  .....

Here,  Let n(P) and n(C) be the number of students who liked pokhara and chitwan respectively. n(U) = 360 n(P) = 250 n(C) = 220 n(P⩀C) = 120 Let, the number of students who donot liked neither of two places be x From .....

Here,  1 + 2 Sin θ = Cosec θ   or, 1 +2 Sin θ = 1/Sin θ      [ Since, cosec = 1/sin.] or, 2 Sin 2 θ + .....

Here,    Sin²30o + cos²60o - tan²30o. Using their values we get, = (1/2)2 + (1/2)2 - (1/√3)2 = 1/4 + 1/4 - 1/3 = (3 + 3 - 4)/12 = 2/12 = .....

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Here,   2 + tanθ  = 3cotθ or, 2 + tanθ = 3 / tanθ ot, 2tanθ + tan2θ = 3     [Cross-multiplication] or, tan2θ + 2tanθ - 3 = 0 or, tan2θ + 3tanθ - .....

People remember those five youths killed in the Sukhani Massacre because they had fought for the abolishment of Panchayat System. People now remember them and their contribution in democracy day on 7th Falgun every year. Their contribution .....

The Janakpur incident is one of the historic events in Nepalese politics. It happened on 9th Magh 2018 BS in Janakpur. In the incident, Durgananda Jha threw a bomb at the vehicle in which King Mahendra was traveling. After the takeover of .....

Here,  sinθ = 4/5 Also we know,  sinθ = p/h or,  sinθ = p/h =  4/5 p = 4 and h = 5 By using pythagoras theorem,  h2 = p2 +  b2 or, 52 = 42 + b2 or, b  =  .....

Mercury barometer was invented by an italian named Evangelista Torricelli. It is also known as Torricellian barometer. The barometer is made of a one meter long glass tube containing mercury. The upper  end of the tube is closed .....

NH4Cl + NaNO2 → N2 + 2H2O + NaCl When the mixture of ammounium chloride and sodium nitrate solution is heated, it gives nitrogen gas, water and sodium chloride. It is the process of prepration of nitrogen gas in .....

Let us assume that the farmer has a plot of land as shown in figure below: Suppose municipality takes a plot of land with a corner D.  Then, goverment provide him two plot of land as indicated by two black colored triangles, sum of area of .....

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Heating effects of current electricity: It converts useful electrical energy into heat. Advantages: .....

A relation, in the context of databases, is a situation that exists between two relational database tables when one table has a foreign key that references the primary key of the other table. Relationship allow relational databases to split and .....

Flat database Relational database i) It contains a single table of data. i) It contains multiple tables of data. ii)There is no linking to other tables or records. ii)Different records and tables are in turn .....

When you write about your dislikes you may write about the colour you hated the most. Similarly, you may also write about the food you dislike the most as well as the TV shows that make me sick. You may also write on the about .....

However, many events in the early- to mid-1930s led many Americans to believe that such agreements were insufficient. The previous did not stop Japan from occupying Manchuria in 1931. It did not stop the German government from authorizing a .....

Well, both Japan and Italy (especially Italy) had pretty significant grievances against how they were treated in the WWI aftermath. Prior to WWI Japan was actually one of the very few countries that Britain formed an alliance with. In July 1918, .....

Here, x + 2 is the longest side. So let us take it as hypoteneous. So,  From the Pythagoros theorem,     h2 = p2 + b2 or, (x + 2)2 = (x - 2)2 + (x)2  or, x2 + 4x + 4 = x2 - 4x + 4 + .....

Upthrust is directly proportional to the volume of the displaced liquid.  Upthrust = Weight of Fluid Displaced=Volume of the solid which is put in the fluid. When objects are placed in water, their mass does not change. They .....

Here, LHS =  (1 + sin2θ + cos2θ)2           =  (1 + 2sinθ cosθ+ 2cos2θ - 1)2  [ Since,sin2θ= 2sinθ cosθ & cos2θ = 2cos2θ - .....

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Here, ∡CBD = ∡CAD = 30o   [ Angle on same arc.] So, ∡BAD = ∡CAB - ∡CAD = 60 - 30 = 30o    [ ∡CAB = 60o, As AB = BC = CA.] ∡ABD = 90o.     [ Angle at the semi-circle.] In .....

∡QRD + ∡RQD = ∡PDQ        [Exterior angle of a triangle is equal to the sum of its opposite interior angles.] or, ∡SRP + ∡STP = ∡PDQ   [∡QRD and ∡SRP are common angles similar .....

Atmospheric pressure reduces with altitude for two reasons The gravitational attraction between the earth and air molecules is greater for those molecules nearer to earth than those further away - they have more weight - dragging them closer .....

Again, join P to A and Z to B as shown below.   Statement Reason i. AX = ZX i. The perpendicular line drawn from the centre of circle to a chord bisects the chord. ii. In ∆PAX and ∆BZX a. .....

Here, join O&P, O&Y, O&R and O&Q. Now, Area of ∆QOR = 1/2 ⨯ OY . QR               [ Area of triangle = 1/2 ⨯ base ⨯ height.] Similarly find area of ∆QOP .....

And, also Nepal still lacks fundamental factors needed for development. Managing the nuclear waste properly also costs a large sum of money which Nepal could invest on basic facilities of development like schools, hospitals, roads, communications .....

दिगो बिकासकोलागी बाताबरणको सम्रक्ष्ण र समबर्दन गर्नु जरूरी हुन्छ । दिगो बिकासले आजको .....

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Here. 12a2b2     5x2y2 =             ×            25x2y2      6a2b2      2a2b2     x2y2 =  .....

Here,  4x2y33x2y2 ⨯ 9x48y3         = 4y3 ⨯ 9x48y3          = 3x42y2   .....

The weight of displaced liquid is equal to the weight to the weight of floating object which principle the statement belong to Archimedes .....

Because it uses Pascal's principle: F=P.A. If you apply small force to small piston you will generate a pressure. According to Pascal's law pressure is the same everywhere in closed system so the same pressure will act on large piston on .....

The amount of water displaced by the ship. As you load it, you displace air inside the ship  with solids . Thus, the weight of the ship increases, so it moves lower in the water, displacing a larger volume of water. The upward buoyant force .....

उत्तर : अथक =  नथाक्ने             देह ब्यपार =  शरिरको ब्यापार्            उवा = .....

उत्तर :  पान्डुलिपी = लिखित व टङ्कित लेख रचना       विष  =   विख   बिलौना  =   विलाप   .....

उत्तर :   त्राण  =  सहारा               मट्याङ्ग्रो =  गुलेलिमा राखेर हान्ने गोलि   .....

उत्तर :   विमाता  =  सौतेनी आमा      ॠताहार =  ॠतु अनुसारको खानपान      पटुका  = .....