# trigonometry

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the end of a pendulum of length 40cm travels an arc length of 5 cm as it swings through an angle alpha.find the measure of the central angle

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• trigonometry -

how to answer this problem ..i need help ..i need solution for this problem can you give me answer
an isosceles triangle is inscribed in a circle of radius 100 in.find the angles of the triangle if its base subtends an arc of 143.7 in

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