The value of is and the value of is .
19) In this question given that,
We have to find the value of .
As we know that the value of straight line is .
From the given figure we can see that
Now putting the value of and in the .
Now simplifying the expression.
Subtract on both side
Divide by on both side
We have to find the value of .
As we know that .
Now putting the value of in the given value of .
Hence, the value of is .
20) In this question we have to find the value of .
As we know that the value of straight line is .
From the given figure we can see that
Now solving the expression to find the value of .
Simplifying the expression.
Subtract on both side
Simplifying
Divide by on both side
Hence, the value of is .
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