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MAVERICK [17]
3 years ago
6

What is the value of sin(−θ) ?

Mathematics
1 answer:
Neko [114]3 years ago
5 0

Answer:

A

Step-by-step explanation:

The cosine of a right triangle is the adjacent over the hypotenuse. If the cosine is -3/5 then it must be a right triangle with sides 3, 4, & 5 since this is a Pythagorean triple. This means the sin will be -4/5. We know its negative because the tangent is positive so this is the 3rd quadrant where both Sine and Cosine are negative.


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