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Use x=6cos θ to

a)write as a trigonometric equation of θ, where 0<θ<π and x<0.

3√2=6sin θ

3√2=6sec θ

3√2=6(sin θ+cos θ)

3√2=sin 2θ-cos2θ

b)Find sin θ.

-√3/2

-√2/2

√2/2

√3/2

c)Find cos θ.

-√3/2

-√2/2

√2/2

√3/2

Correct!