Prove it
step by step
Attachments:
Answers
Answered by
2
Answer:
it is proved. I hope you understood it clearly.
Attachments:
Answered by
1
Answer:
Step-by-step explanation:
LHS = {cos(π+x).cos(-x)}/{sin(π-x).cos(π/2-x)}
From the previous knowledge we know that
cos(π+x) = -cosx
sin(π-x) = sinx
cos(-x) = cosx
cos(π/2 + x) = -sinx,
LHS = {(-cosx).cosx}/{sinx.(-sinx}
= cos²x/sin²x
= cot²x
RHS=LHS
Please mark as brainliest
Similar questions