Question

how did the mouse reach the moon ?
chapter name a mouse in the moon​

Answer 1

Answer:

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Explanation:

In the latest story, Little Mouse is certain he has seen a beautiful red marble ... attempts to reach the object, and an extra flap shows just how high it is! ... Read more about The Mouse Who Ate the Moon ...

Answer 2

Answer:

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Given, z=−(1−i)

Let rcosθ=1 and rsinθ=−1

On squaring and adding, we obtain

r

2

cos

2

θ+r

2

sin

2

θ=1

2

+(−1)

2

⇒r

2

(cos

2

θ+sin

2

θ)=1+1

⇒r

2

=2

⇒r=

2

(Conventionally r>0 )

∴

2

cosθ=1 and

2

sinθ=−1

⇒cosθ=

2

1

and sinθ=−

2

1

∴θ=−

4

π

[As θ lies in the Ii quadrant]

So, the polar form of z=−(1−i) is

∴−(1−i)=−(rcosθ+irsinθ)=−(

2

cos(−

4

π

)+i

2

sin(−

4

π

))

=−

2

[−cos(

4

3π

)−isin(

4

3π

)]

=

2

[cos(

4

3π

)+isin(

4

3π

)]

Explanation:

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