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allochka39001 [22]
3 years ago
11

Can somebody help me please ​

Mathematics
1 answer:
Marrrta [24]3 years ago
6 0

Answer:

(n)+(n+1)+(n+2)

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Option (b) is your correct answer.

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\large\underline{\sf{Solution-}}

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\purple{\rm :\longmapsto\:\boxed{\tt{ (x + y)(x - y) =  {x}^{2} -  {y}^{2} \: }}}

So, using this, we get

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<u>Hence, </u>

\\ \red{\rm\implies \:\boxed{\tt{ \rm \:\dfrac{sin\theta }{1 + cos\theta }   =  \: \dfrac{1 - cos\theta }{sin\theta } }}} \\

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