Tamara has 12 pencils. There are three red pencils and p other pencils. Write an equation to represent this situation.
2 answers:
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After substituting:
Factor out the 36, allowing the 6's to cancel
Use trig identity:
sec^2 - 1 = tan^2
Factor out the 36, allowing the 6's to cancel
Use trig identity:
sec^2 - 1 = tan^2