Trigonometry

Dell PC 2

How do you solve sin^2 x = 1 + cos x
I've done this so far

The answers are 90 and 180 270

(edited 1 year ago)

Reply 1

tonyiptony

The first line seemed to have a brainfart (it's fine, we all have them some time)
You've written

\cos (x) + \sin (x) = 1

, which isn't quite right... yeah?

But the general method is correct, so good job.
That said, the other tightbend is right at the end. Let's try again before we get to there.

Reply 2

Dell PC 2

Original post by tonyiptony

The first line seemed to have a brainfart (it's fine, we all have them some time)
You've written

\cos (x) + \sin (x) = 1

, which isn't quite right... yeah?

But the general method is correct, so good job.
That said, the other tightbend is right at the end. Let's try again before we get to there.