If cot(z) = Give exact answers. sin I (²) - 2 05 ( ²7 ) = COS tan 19 6 I (²-²) - (in Quadrant 2), find

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Q: 5) Find the exact value of the expression sin(20) given that tan(0) = -8/5 and 0 is in Quadrant II.

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A: Since, cos θ=78and θ is in the fourth quadrant.Our Aim is to find sin θ=?

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A: