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kotegsom [21]
2 years ago
7

If the sin 90º = 1, then which statement is true?

Mathematics
1 answer:
Natali [406]2 years ago
6 0

in a right-triangle, like in the 1st Quadrant, cosine and sine are complements, so then

sin(x) = cos(90° - x)

cos(x) = sin(90° - x)

for this case, sin(<u>90°</u>)  = cos(90° - <u>90°</u>), or just cos(0°) = 1.

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