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9TH GRADE MATH (TRIGONOMETRY)
Assessment 1stQuarter (Male Department)
A.Y. 2015 2016
Name: _____________________________________ Score: _____ /50
Grade 9 _____________________
Date: ________________________ arent!" S#$nat%re:
_______________
I. Gie t!e si" tri#$n$metri% &un%ti$n &$r ea%!
trian#'e.
5
212
5
&13
5
5
7
25
9
6
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II. i'' in t!e 'an*s +it! t!e %$rre%t ans+er. ,!$$se -$ur ans+er
&r$m t!e $".
25) 'e co%nct#on o tan$ent #" ____________________.
26) 'e rec#procal o "ecant #"___________________.
2*) 'e tr#$onometr#c %nct#on de"cr#+ed +, d#-#d#n$ te ,poten%"e
+, te oppo"#te #" _______________.
2) 'e co%nct#on o "#ne #" called ______________________.
29) 'e tr#$onometr#c %nct#on de"cr#+ed +, d#-#d#n$ te oppo"#te
+, te ,poten%"e #" ______________.
&0) 'e "%m o te an$le" o co%nct#on" #"
_________________________________
III. ,OMTATION. $'e t!e &$''$+in# r$'ems. 2rite -$ur ans+er
insi3e a $". (4 $ints
ea%!)
A. 60tan60"ec 22
/.
cot60c"c 2
.
+
+
&
tan6
co"&
"#n
D.+ 60"ec5cot5tan
.
+
6"#n
&co"
6co"
&"#n
3.
"#n
"#n
co"
&co"
G. 5tan60co"&0"#n
4.
+
+
&cot
6tan
&"#n
6co"
.
+
6co"
6"#n
tan
.+ &0co"&0"#n260"#n
sine cosine tangent cotangent
secant cosecant 90
