Which ratio is equivlant to 3:4
1 answer:
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Use the table of trigonometric ratios /in a picture/.
Answer: m∠A ≈ 70°
ANSWER
Step 3
EXPLANATION
The given polynomial expression is:
Fatau correctly expanded the parenthesis in the first step.
Fatau also correctly grouped the like terms to obtain:
Fatau committed a mistake at the third step.
Instead of obtaining,
He mistakenly got:
We know the cofunction identity 
.
Thus, the tangent of 90° minus <span>θ also equals 5.</span>
Thus, the tangent of 90° minus <span>θ also equals 5.</span>