If cos A=3/5,find 9cot^2A-1
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there is new answer consider that
the last step of
9 cot^2 (A-1)
= 9*(3/4)^2-1
= 9*9/16-1
= 81/16-1
=81-16/16
= 65/16
plz follow this answer
the last step of
9 cot^2 (A-1)
= 9*(3/4)^2-1
= 9*9/16-1
= 81/16-1
=81-16/16
= 65/16
plz follow this answer
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himanshukhantwal:
No bro it's answer is 65/16
ok
yeah just a sec
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