9. The false equation is (A) sin? A + Cos? A =1 (C) tan (90 - A) = cot A - (B) cos (90 - A) = sin A (D) sin (90 – A) = sec A
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C) tan (90-A) = cot A - (B) cos (90-A)
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Step-by-step explanation:
(C) tan (90 - A) = cot A
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