Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Mathematics State Board
Class 9
Trigonometry
15.
Two mark exercise problems V
Exercise condition:
6
m.
1
. Find the value of
cot
θ
tan
(
90
°
−
θ
)
+
cos
(
90
°
−
θ
)
tan
θ
sec
(
90
°
−
θ
)
sin
(
90
°
−
θ
)
cot
(
90
°
−
θ
)
cosec
(
90
°
−
θ
)
.
Answer
:
cot
θ
tan
(
90
°
−
θ
)
+
cos
(
90
°
−
θ
)
tan
θ
sec
(
90
°
−
θ
)
sin
(
90
°
−
θ
)
cot
(
90
°
−
θ
)
cosec
(
90
°
−
θ
)
\(=\)
2
. Find the value of \(sin \ 49^{\circ}\) using trigonometric table.
Answer
:
\(sin \ 49^{\circ} =\)
3
. Find the value of \(cos \ 74^{\circ}39'\) using trigonometric table.
Answer
:
\(cos \ 74^{\circ}39' =\)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!