Find the value of a if,
3a4=154
3
4
1
2
3a4 is a mixed fraction.
3a4=(3×4) + a4=12 + a4
Given, (12+a)4=154
Since denominators are already equal, equate the numerators. We have, 12+a=15
Therefore, a=15−12=3
The value of a if 3a4=154 is .
If 3a4=154, then the value of a is ___.
If A=15∘, find the value of 4cos2A⋅sin4A⋅tan3A−1.