The value of sinA in the triangle is 0.6. Then the correct option is A.
What is trigonometry?
Trigonometry is the branch of mathematics that set up a relationship between the sides and angle of the right-angle triangles.
In the given triangle base is 8 and the perpendicular is 6 units. To calculate sinA we need hypotenuse and then use the Pythagorean theorem.
H² = P² + B²
H² = 6² + 8²
H² = 36 + 64
H² = 100
H = 10
The angle sinA is the ratio of perpendicular and hypotenuse.
sinA = P / H
sinA = 6 / 10
sinA = 0.6
Hence, the correct answer is option A.
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