I'm studying for a test and I need help!
Question:
find the value of the three primary trigonometric ratios for angle A
A is opposite to 4 and adjacent to 8
three primary trig ratios = sin, tan and cos
for sin i looked at the answers and it's 1/square root of 5
how did they get this answer??!?
thanks!
2007-11-15
08:58:47
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3 answers
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asked by
Besch
4
in
Science & Mathematics
➔ Mathematics
ok so √80 = 4√5
HOW did you know that 4√5 = √80?
like if i were given that question how would i figure that out?
2007-11-15
09:09:47 ·
update #1