If cosa =3/5,find9cot²A-1
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Answer:65/16
Step-by-step explanation:
Cosa=3/5
Cota=3/4
Therefore 9cot²a-1 = 65/16
ajkumar1308:
your answer is wrong. it will be 65/16
Yes you are right
Iam sorry for the mistake
edit your answer
Editted
ok
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