Answer:

Step-by-step explanation:
Given

Required
Simplify the given expression

Start by applying law of indices


Divide numerator and denominator by 5

Hence; the expression is equivalent to 
Answer:
3 and 12
Step-by-step explanation:
3*5=15 and 15-3=12. The product of 3 and 12 is 36.
IT IS NUMBER LINE NOT TIME
AND THE ANSWER Is with the attachment
We know that tanθ = sinθ/cosθ
For a number to be undefined, the denominator must equal to 0. At π/2, the cosθ value is 0 and sinθ is 1. Hence, tan(π/2) is undefined.
Hope I helped :)