Date :
2.
Subšbract
26-46c
1
ХЬ
and
the sun
1
qь? 3с- але
bc
2с
„
или
267
Abc - стали Съ
+26c - Б
from the .
.
2
С C
Answers
Answered by
0
Answer:
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Step-by-step explanation:
Answer
Correct option is
B
1
Given: △ABC, AD⊥BC, AC=26, CD=10, BC=42
Now, In △ACD,
AC
2
=CD
2
+AD
2
26
2
=10
2
+AD
2
AD
2
=576
AD=24
Now, In △ABD,
BD=AC−CD
BD=42−10
BD=32
AB
2
=BD
2
+AD
2
AB
2
=32
2
+24
2
AB
2
=1600
AB=40
Now,
sin
2
y
1
−
tan
2
y
1
=csc
2
y−cot
2
y
= (
P
H
)
2
−(
P
B
)
2
= (
AD
AB
)
2
−(
AD
BD
)
2
= (
24
40
)
2
−(
24
32
)
2
=
576
1600−1024
= 1
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