Answer:
8.242
Step-by-step explanation:
we can use tan for this
solve it with calculator, and you will get approximately 8.242
8.242 i believe. may be wrong
r = 4
z ^ (7/10) * z^ ( 33/10)
We know that a^ b* a^c = a^(b+c)
z^ (7/10 +33/10)
z^ (40/10)
z^4