If sin 6A=cos3A, find A and tan 6A
Answers
Answered by
2
Answer:
ep-by-step explanation:
sin(2A)=cos(3A)sin(2A)=cos(3A)
\implies sin(2A)=sin(90-3A)⟹sin(2A)=sin(90−3A)
\implies 2A = 90-3A⟹2A=90−3A
\implies 2A+3A=90⟹2A+3A=90
\implies 5A=90⟹5A=90
\implies A= \frac{90}{5}⟹A=
5
90
\implies A=18⟹A=18
Therefore,
Value\: of \: A = 18ValueofA=18
•••♪
Similar questions