Mathematics, 03.03.2021 23:10, mosthatedpicky1
Write the Letter that corresponds to the correct ratio in the submission box for each problem
For Triangle ABC (Figure 1) find the
Match the fraction with the Trig ratio
Match the Trig ratio with
the fraction for Figure 2
1) Sin < A=
2) Cos
b
С
3
3) Tan < B =
Figure 2
B
a
Answer Bank
Figure 1
Answer Bank
4)
Sin-1
= m
G
K
26 등
G
LOI
K
1) Sin
5) Cos-1
= m
2) Cos
H
b
L
a
3
H
5
L
2-16 ,
4
5
6) Tan-10
= m
3) Tan < B =
b
5
J
بحار
M
M
جهاد
lor
Answers: 1
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Mathematics, 20.06.2019 18:04, Uc34758
Here is their argument. given the obtuse angle x, we make a quadrilateral abcd with ∠dab = x, and ∠abc = 90◦, and ad = bc. say the perpendicular bisector to dc meets the perpendicular bisector to ab at p. then pa = pb and pc = pd. so the triangles pad and pbc have equal sides and are congruent. thus ∠pad = ∠pbc. but pab is isosceles, hence ∠pab = ∠pba. subtracting, gives x = ∠pad−∠pab = ∠pbc −∠pba = 90◦. this is a preposterous conclusion – just where is the mistake in the "proof" and why does the argument break down there?
Answers: 2
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Write the Letter that corresponds to the correct ratio in the submission box for each problem
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