Rules
Sine
Cosine
Tangent
All 3!
1
What sides do we divide when solving for the sine of an angle?
Opposite / Hypotenuse
1
Sin (60) = ?
Round to the nearest hundredths.
Sin (60) = 0.87
1
Cos (81o) = ?
Round to the nearest hundredths.
F.A. =0.16
Cos (81o) = 0.15643...
1
Tan (60o) = ?
Round to the nearest tenths.
F. A.≈1.7
Tan (60o) = 1.73205...
1
Tan (30o) = ?
Round to the nearest hundredths.
Tan (30o) = 0.58
2
What sides do we divide when solving for the cosine of an angle?
Adjacent / Hypotenuse
2
True or false sine ratio is adjacent by opposite. if false what is correct ratio?
what is False it is opposite by hypotenuse
2
True or false cosine ratio is adjacent by opposite. if false what is correct ratio?
what is false it is opposite by hypotenuse.
2
True or false tangent ratio is adjacent by opposite. if false what is correct ratio?
What is false , it is opposite by adjacent
2
a = 11.5
3
Which ratio would we use if the sides we know are the adjacent side and the opposite side?
Tangent
3
Given the information below . find y and write your Final answer with 3 d.p.
y = 2.645
3
Final answer with 2 decimal place .
y = 2.22
3
Write your final answer to the nearest thousandths
y = 2.026
3
Find the value of [tan 15o + cos 33o] ÷ [ sin 78.4o] to the nearest hundredths.
≈1.13
4
What sides do we divide when solving for the tangent of an angle?
Opposite / Adjacent
4
Find a , Final answer in 3decimal place
a = 11.472
4
write your answer to the nearest hundredths.
a = 16.38
4
write your final answer to the nearest whole number
a = 14.0
4
find the value of [cos 24.7o x sin35.1o] ÷ [tan57o - cos15o] to the nearest hundredths
≈0.91
5
What does the acronym SOHCAHTOA stand for?
(Write out each word in order.)
Sine
Opposite
Hypotenuse
Cosine
Adjacent
Hypotenuse
Tangent
Opposite
Adjacent
5
sin 37o + sin 50o
Write Value to the nearest hundredths
=1.37
5
Write final answer width 3 decimal place
a = 8.004
5
write your answer to the nearest hundredths.
F.A. a = 16.64
answer =16.6392...
5
write your final answer to the nearest 10ths
b = 7.8