what is the last date of GSTR-1 for August Month

 Integral of Sin x.Sin 3x.Sin 2x

Sin 30 cos 60 + sin 60 cos 30

Derivation for 0! =1

How did you take k<c-1\2 =c-1 in example 35

Hey in example 14 of chapter 13 of class 10  why you do not take vol of cylinder on which a frustrum is mounted the cylinder is hollow and it has height that means some water goes to the cylindrical base so why you do not take the volume of cylinder you only take the volume of frustrum sir plzz answer my question as soon as possible

integration of cos^-1a dx .

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Find the no. Of ways of choosing 4 cards from a pack of 52 cards . In how many of these

1. 4 cards are of same suit
2. 4 cards belong to 4 different suits
3. Are face cards
4. 2 are red cards and 2 are black cards

2 cot theta cos theta = 1 illustrate  answer in graphically 

class 12 english syllabus

Find the equation of the line on which the perpendicular from the origin makes an angele of 30⁰ with the x axis and which forms a triangle of area 50/3 with the coordinate axes. 

Inverse of matrices may be different when we find inverse of matrices

show the explanation of drawing root 5 on number line

In figure, pq and RS are 2 mirrors placed parallel  to each other.  An incident ray AB strikes the mirror PQ at B, ,the reflected ray moves along the path bc and strikes the mirror rs at c and again reflects back along CD.  Prove that about parallel to CD