Answer:
D
Step-by-step explanation:
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1/2
B i hope its right....................
solve 6x - 4y = 5
2. sin=12\15 cos=9/15 tg=12/9
3. sin=3/v13 cos=2/v13 tg=3/2
4. sin=v15/4 cos=7/4 tg=v15/7