ΔPQR is right angled at Q. If cos P = 3/5, then what is the value of cos R?
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Q:
ΔPQR is right angled at Q. If cos P = 3/5, then what is the value of cos R?
- 1$$ {3\over4}$$false
- 2$$ {5\over3}$$false
- 3$$ {4\over5}$$true
- 4$$ {4\over3}$$false
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