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
Comparing the numerator gives, (12 + a) =15
Therefore, a = (15 - 12) = 3
If 3a4=154, then the value of a is ___.
The value of a if 3a4=154 is .
If A=15∘, find the value of 4cos2A⋅sin4A⋅tan3A−1.