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Mathematics, 05.05.2020 01:46 Reese8802

ΔXYZ is a right triangle with right angle X, sin Y = m, and cos Y = k.
What is cos Z − sin Z ?

k - m

2m

k + m

m - k

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ΔXYZ is a right triangle with right angle X, sin Y = m, and cos Y = k.
What is cos Z − sin Z ?...
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