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if 0 < cos -1 x <1 and 1 + sin (cos-1 x) + sin2(cos-1 x) + sin3(cos-1 x) + ...... infinity  = 2 then the value of 12x2 is :
Correct answer is '9'. Can you explain this answer?
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if 0 < cos -1 x <1 and 1 + sin (cos-1 x) + sin2(cos-1 x) + sin3(...
The equation is an infinite G.P. So, sum of the G.P will be,
Squaring both sides, we get
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if 0 < cos -1 x <1 and 1 + sin (cos-1 x) + sin2(cos-1 x) + sin3(...
If the number 0 is being referred to, it is known as the integer zero or the neutral element of addition. It is neither a positive nor negative number and is the only integer that is neither positive nor negative.
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if 0 < cos -1 x <1 and 1 + sin (cos-1 x) + sin2(cos-1 x) + sin3(cos-1 x) + ......infinity = 2then the value of 12x2 is :Correct answer is '9'. Can you explain this answer?
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