Answer:
and
.
Step-by-step explanation:
The equation can be simplified with the help of trigonometric identities:

Which means that equation is equal to zero if any component of the product is zero. The solutions of the expression are:
a) 

b) 



Any value different of both subsets do not satisfy the equation described above.
Answer:
5
Step-by-step explanation:
Ghhjj fun in jjhv GUI gh
Answer:
M=multiply to the 2 then what it is 5x3 so. 15x2=30m
well because he did not do it