subject
Mathematics, 25.10.2019 23:43 deanblackstone

If
cos

θ
=
8
9
cosθ=
9
8

, then what is the positive value of
sin

1
2
θ
sin
2
1

θ, in simplest radical form with a rational denominator?

ansver
Answers: 2

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You know the right answer?
If
cos

θ
=
8
9
cosθ=
9
8

, t...

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