Find the value of cosec (1305°)
Answers
Answer:
cosec45degree=√2
Step-by-step explanation:
1305=(360×3)+225
225=180+45
cosec(180+45)=cosec45degree
cosec 45 degree=√2(root 2)
Answer:
0.7071
Step-by-step explanation:
Enter a problem...
Trigonometry Examples
Popular Problems Trigonometry Find the Exact Value cos(1305)
cos
(
1305
)
Find an angle that is coterminal to
1305
.
Tap for fewer steps...
Subtract
360
°
from
1305
°
.
A
=
1305
°
−
360
°
The resulting angle of
945
°
is positive and coterminal with
1305
but isn't less than
360
°
. Repeat the step.
A
=
945
°
Subtract
360
°
from
945
°
.
A
=
945
°
−
360
°
The resulting angle of
585
°
is positive and coterminal with
1305
but isn't less than
360
°
. Repeat the step.
A
=
585
°
Subtract
360
°
from
585
°
.
A
=
585
°
−
360
°
The resulting angle of
225
°
is positive, less than
360
°
, and coterminal with
1305
.
A
=
225
°
Find the value using the definition of cosine.
cos
(
225
)
=
adjacent
hypotenuse
Substitute the values into the definition.
cos
(
225
)
=
−
√
2
2
1
Divide
−
√
2
2
by
1
.
−
√
2
2
The result can be shown in multiple forms.
Exact Form:
−
√
2
2
Decimal Form:
−
0.70710678
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