Question

please answer the question​

Answer 1

apply log

loga^x=logb x loga=logb x =logb/loga

logb^y=logc ylogb=logc y=logc/logb

logc^z=loga zlogc=loga z=loga/logc

xyz=logb/loga×logc/logb×loga/logc

xyz=1

better to ask trigonometry (compound angles) (multiple sub multiple angles)

and surds topic