Question

if sin(x+4π/9)=a,π/9<X<π/3,then cos(X+7π/9)​

Answer 1

Answer:

xtjtjtjzzyjrbznhctjzfzncyjygmxgjx

specialk

Step-by-step explanation:

xtjtjtjzzyjrbznhctjzfzncyjygmxgjx Niki