When solving secθ=−4.2 for 180°≤θ≤360°, how many possible answers are there?
1 answer:
You might be interested in
You could rewrite 
as
and be tempted to cancel out the factors of
. But this cancellation is only valid when 
.
When
, you end up with the indeterminate form 
, which is why 
is not a zero.
and be tempted to cancel out the factors of
When
Answer:
x= -1 and x =0
Step-by-step explanation:
all work is shown and pictured
