Mathematics, 18.02.2021 14:50, CoolBro92

The diagram shows two right-angled triangles. PQR and QST are straight lines. It is given that sin x = $\frac{15}{17}$ . Find the value of cos y.

The diagram shows two right-angled triangles. PQR and QST are straight lines. It is given that sin

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The diagram shows two right-angled triangles. PQR and QST are straight lines. It is given that sin x...