Question

which quadrant contains both sin2theta and cos 2theta when cos theta=-1/2

Answer 1

what does this mean

Answer 2

any notes on this chapter?

Answer 3

C means that \(\mbox C\)osine is positive in that quadrant, S for Sine, T for Tangent, A for All

Answer 4

The mnemonic for this is \(\mbox{CAST}\)

Answer 5

so how do i solve this?

Answer 6

very weak in this chapter... :(

Answer 7

@skullpatrol sorry can you please help him I do not quite understand the question :)
@vishnu5995 I'm so sorry that I cannot help you

Answer 8

its alright kenny... Thank u