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In the diagram below P(x;y) is a point in the third quadrant. RÔP = B and 17 cos B + 15 = 0.
a. Write down the values of x;y and r.
b.Without using a calculator, determine the value of:
1. sin B
2. cos²30.tan B​

In the diagram below Pxy is a point in the third quadrant RÔP B and 17 cos B 15 0 a Write down the values of xy and rbWithout using a calculator determine the v class=

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