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sin(2x+x)=sin2x.cosx+cos2x.sinx =2sinxcosx.cosx+(-2sin^2x)sinx =2sinxcos^2+sinx-2sin^3x =sinx(2cos^2x+1)-2sin^3x=sinx(2-2sin^2x+1)-2sin^3x =2sinx-2sin^3x+sinx-2sin^3x = 3sinx-4sin^3x
If A, B are acute angles and sinA= cosB, then find the value of A+B. Ans: A + B = 90 o
What are advantages and disadvantages of both Laspeyres and Paasche?
We will look at three types of progressions called Arithmetic, Geometric and Harmonic Progression. Before we start looking at the intricacies of these let us unders
1000000 divided by 19
how many words can be formed from letters of word daughter such that each word contain 2vowles and 3consonant
I am here to tell you, Alex has a cold.
find all the kinds of fraction and give an 10 examples.
find the normalised differential of the following {1,x,x^3}
1.What are the strengths and shortcomings of the methods of teaching H T 0 in Examples 1 and 2? 2. a) Think of another activity for getting children to practise H T 0, especia
how does sin of x equal negative 1/3
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