Find the measure of the third angle of a triangle if the measures of the other two angles are given. 102.9 and 40.4

18.7

Step-by-step explanation:

The sum of the three angles in a triangle always equals 180 degrees

180 -102.9-40.4 =18.7

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: