-85 degrees in is the 4th quadrant so the cos and sec will be positive
sec is also positive in first quadrant so sec(85) will be equal to sec(-85)
Sec is is negative in 3rd quadrant so -sec(-95) will be same also.
sec 275 is in 3rd quadrant so will be negative so not equal
also sec(-95) will be same angle as sec 275
the last 2 options are not equal to sec(-85)
If angle of a sector is 115
the central angle would be 115 also
as the arc measure is equal to the measure of its central angle
Answer: a - (9xb)
Step-by-step explanation:
"A number diminished"
Diminished means made smaller or less.
So a variable minus.....
"By 9 times a number"
"By" with (including the variable multipled with 9)
"9 times a number" 9 multipled by a variable in parenthesis.
So 9 times a variable.
I hope you got it right :)
