2/3 Marks 21 22 Marks
38
a) Work out the size of angle x.
A
X
B
b) give reasons for your answer
+
D
E
F
105°
H
G
mathswatch

f

step-by-step explanation:

f

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.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

i belive those are the ones that are under 90 degreese.

the answers are in the images, i received 100% on this assignment. hope this !