3 years ago

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

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

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