if the triangle ABC right angled at c than wait is the value of sec (A+B) is
(a) 0
(b) 1
(c) 2/underrroot 3
(d) not defined
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Answered by
2
Answer:
0 a opotion
Step-by-step explanation:
as sec 90 is 0
sum of triangle is 180 one is 90 at c other two will be 90 also
Answered by
0
Angle c=90
Angle A+angle B +angle C=180
Angle A + angle B + 90=180
Angle A + angle B=90
Sec(A+B)=1/cos90
Sec(90)=1/cos90
=1/0
Answer=(d) not defined
Angle A+angle B +angle C=180
Angle A + angle B + 90=180
Angle A + angle B=90
Sec(A+B)=1/cos90
Sec(90)=1/cos90
=1/0
Answer=(d) not defined
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