Decimal: Divide 16 by 25: 0.64
Percent: move the decimal 2 places to the left: 64, then add a percent sign: 64%
Answer:
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Step-by-step explanation:
post it again
Answer:
tan²x
Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1
Divide all terms by cos²x
+
=
, that is
tan²x + 1 = sec²x ( subtract 1 from both sides )
tan²x = sec²x - 1