Mathematics, 19.10.2021 18:20, gildedav001

b) In the figure alongside, o is the cente of circle, P the mid-point of the chord XY. If ZPOY = a, XY = 18 cm and OY = 15 cm, find the , trigonometric ratios of sina and tana.

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b) In the figure alongside, o is the cente of circle, P the mid-point of the chord XY. If ZPOY = a,...