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sladkih [1.3K]
3 years ago
12

Please help! Will mark brainliest! :)

Mathematics
2 answers:
fomenos3 years ago
5 0

Answer:

Step-by-step explanation:

if t is in the 4th quadrant, sin(t) <0

sin(t)\\=-\sqrt{1-cos^2(t)} \\\\=\sqrt{1-\dfrac{9}{49} } \\\\=-\sqrt{\dfrac{40}{49} } \\\\=-\dfrac{2*\sqrt{10} }{7} \\

AURORKA [14]3 years ago
4 0

Answer: - 2/10

7

Step-by-step explanation: i cant write the right shapes because it isnt available on anybody's keyboard

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