If vector v is broken into two components along x and y direction we get vx and vy respectively. This components are known as resolution of vectors. The combination of these resolution of vectors give  resultant vector .....

Triangle law of Vector states that, If two vectors such as AB and BC are representing the two sides of a triangle ABC, then the third side AC closing the other side of the triangle in opposite direction represents the sum of two vectors both in .....

We use relation pythagoras theorem, using traingle .....

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let the two vectors are named “a” and “b,” then the dot product is represented by “a . b.” This is equal to the magnitudes multiplied by the cosine of the angles. In vectors “a” and “b,” .....

Given, | A | = 3 and | B | = 4  vector A  dot vector B = | A | | B | cosθ or, 6 = 3x4 cosθ Therefore, θ = cos-1 (0.5) = 600 which is the angle between two vectors A and .....

Try according to the outline .....

Located in the pothohar plateau in the northeastern part of the country. Between rawalpindi district and the margalla hills national park to the north. The region has historically been a part of the crossroads of punjab and khyber pakhtunkhwa with .....

It's about a dream that KimClark had, which was recurring. Her dream begins on a country road, where she stands, walks up the lane with a white fence and a hedge on each side. At the enad there she sees a small white cottage with green shutters. .....

Anopheles and Culex mosquitoes are two species mosquitoes found in .....

संस्कृति भनेको सुद्दिकरणको परकृया हो ।अन्धविश्वास, बिभेध,शोषण,उत्पिडनआदिले समाजलाई पछाडी .....

We have to take LHS and simplify it. Change tanX and cotX in sin and cos. ie; tanX+cotX=sinX/cosX +cosX/sinX Take LCM, you will get (sin2X+cos2X)/cosXsinX =1/sinXcosX=1/sinX x 1/cosX......I hope you can get RHS .....

  Look at the above pictures. You can see that the natural environment is get contaminated by various ways. The land gets mixed with unwanted things, air get mixed with harmful gases etc. Thus, the mixing of unwanted dust,dirt , plastic .....

Here I send you a example. You can write 2x+3=2(x+3/2), compare it with x-a, we get a=-3/2 Now, divide the given polynomial by x+3/2.  

Example: 2x3 -9x2 +12x - 4 divided by 2x - 1.

Solution: This one is a .....

नेपाल १२५ जातजाति १२३ भाषा भाषी भएकोल देश हो। विभिन्न मौलिक संस्कृति र छुटै पहिचान बोकेको देश .....

नेपालमा अनेक जाति भाषा, संस्कृति रहनसहन,चाडपर्व रहेका छन् । हिमालमा बस्ने मानिसको र पहाड .....

Solution: Let, r and h be the radius of the base of cylinder and height of the cylinder respectively. Now, by the question, The sum of radius and height = 35 cm Or, r + h = 35 ∴ r = 35 – h ……….1. Again, the .....

 कुनै पनि समुदाय तथा समाजमा बस्ने मान्छेहरुको मौलिकता नै संस्कृति  हो ।   मौलिकताभित्र .....

You might have learnt, the formula,   Sin 3A = 3 Sin A - 4 sin³A Cos 3A = 4 Cos³A - 3 CosA Put these formula in LHS and simplify. You can take LCM. After some steps, you get 1/2sin2A.cos2A Then you can do .....

Here, LHS is seems to complicated , so we must start from it. In RHS we need cosA so, break cos8A into cos4A and cos4A into cos2A and cos2A in to cosA. ie, put, cos8A=cos2.4A=2cos24A-1 and simplify inside the last root. Then, take out 2cos4A out .....

It is called as .....

Take LHS, sin55cos35+sin35cos55= sin55cos(90-55)+sin(90-55)cos55                           = sin55 sin55+cos55 cos55=sin255+cos255=1  Using, sin2A+cos2A=1. now try .....

You may have seen vehicles moving from one place to another. All the vehicles move with certain velocity. The velocity of a vehicle may be different from the other. The comparision of the velocities of moving object with respect to other is .....

It is better to start from LHS, So lets know the formula i) Applying multiple angle identity, 1 + cos(2A) = 2cos²A and                                   .....

Here, both expression has same root so you can put in same root, ie;         =∜{32a7b13/2a-5b5}= ∜{16a7+5b13-5}         =∜{24a12b8}={24a12b8}1/4={24x1/4a12x1/4b8x1/4} Can you get the .....

To prove it, its better to start from LHS. I hope you know these formula   Sin 3A = 3 Sin A - 4 sin³A Cos 3A = 4 Cos³A - 3 Cos A   Put these formula and simplify, CosA will be cut in 1st expression and sinA will .....

First we should know what is meant by "Environmental Impacts?" Changes in the environment caused by mankind are known as environmental impacts. Now a days due to too much population growth, there is over use of natural .....

Jan 1. Cash a/c -Dr 2,00,000 Furniture a/c -Dr 1,00,000 To capital a/c 3,00,000 5. Purchase a/c -Dr 2,00,000 To cash a/c 80,000 To Arunima a/c 1,20,000 7. Naresh a/c -Dr  50,000 To bank a/c 49,000 To discount received 1,000 10. Bank a/c -Dr .....

In this question LHS is complicated, so lets start from it. 1st, keep formula of Sin3A=3sinA-4sin3A and cos3A=4cos3A-3cosA. Simplify and take common. Simplify and change sin2A in cos2A if you need. Finally you will get .....

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When an incident ray with an angle of incidence greater than the critical angle tries to pass from  water into the air bubble, it undergoes total internal reflection. For the observer, this light appears to come from the bubble. So, it .....

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Rational number can be represented in form a / b where, both a and b are integers. Now,  Can you tell me if 6 is a rational .....

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Here, u = 72km/hr= (72000/3600) m/s = 20m/s a = -2m/s2 v = ? t = 5 s Now, v = u +at             = 20 +(-2).5             =20-10            =10 .....

Kimberly Clark is the main character of the story, who had the recurring .....

The speed of light is same throughout .....

Return outward means purchase return. It is a credit .....

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A chemical equation is balanced by using hit and trial method. i.e. given molecule in both reactant and product are multiplied by random numbers unless the number of atoms of each element on both reactant and product becomes equal. For .....

Can you name some of  the place where majority of pople are Newars? And,  Guess... What are they famous .....

No, a quartz clock is not based on oscillation of pendulum.  It is based on the oscillation of quartz crystal placed inside .....

The alkane with one less number of hydrogen is called alkyl group. For example CH4 is methane. So, CH3 is a methyl group. Similarly other alkyl groups like ethyl, propyl and butyl can be deduced from respective alkanes ethane,propane .....

No, copper is non-brittle.  It does not break into pieces on .....

We need energy to do everything. We need energy even when we sleep without doing anything. It is because, our body conducts various activities inside the body. These are circulation, digestion, respiration, growth and so on. For these .....

It is quite easy to distinguish the salt and sand.  Salt dissolves easily in water, but the sand does not.  You can put the given sample in water and stir it.  If it dissolves in water, it is salt.  If it does not dissolve, .....

You know gravitational constant is the force of gravitation between two unit masses at the unit distance. It has a fixed value, that is 6.67 x 10-11 Nm2/kg2.   It has no specific direction to act.  We can express only its magnitude .....

It is quite easy to distinguish between the water and the kerosene.  Water has no smell while the kerosene has an unpleasent smell.  You can identify water or kerosene jest by smelling the given sample.  For better confirmation, .....

Thus, a body having greater density than the liquid also floats on, if it can displace the liquid equal to its .....