Triangle X and Y are right angles Show the two shorter sides in triangle X have the same lengths as the two shorter sides in tri
1 answer:
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Answer:
Step-by-step explanation:
The standard form of quadratic equation is where a,b and c are real numbers and a ≠ 0.
Answer:
sinA = ±
Step-by-step explanation:
Using the Pythagorean identity
sin²A + cos²A = 1 ( subtract cos²A from both sides )
sin²A = 1 - cos²A ( take the square root of both sides )
sinA = ±