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If the value of then:

(i) is equal to _.

(ii) is equal to ___.

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None of these

answer is A.

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Detailed Solution

Concept- It is given

so for the part (i)

, On squaring both sides, we get

now find the value of

from

and put then get value of

Now for the part (ii)

use formula

so from above

and

we know value of

and

from part (i)
As in the given question that is

, make change in it,

So from this we have to find the value of (i)

(ii)

Now for the part (i)

Let

Now square both side
Question Image

Now we have to find the value of

for getting the value of

So, from question

, on squaring both sides,

Now, put the value of

in equation (i)

Hence,

Now, for the part (ii)

we know the formula of

So, from above

and

on solving more

So, from question we know that

and above we find that

, on putting these value we get
Question Image

On multiplying we get,
Question Image

we get,

So, the value of (i) Question Image

(ii)

Hence, the correct option is 1.

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