TANCET
Group Studies
Courses
Mock Tests
Notes
Library
Pricing
Join Now
Library
Mathematics
Cosine Rule
Back
Cosine Rule
Mathematics
0/2
0
0
Clear
Save Progress
Show Timer
Clear
Question Map
Hide
1
2
Previous
1 / 2
Next
Question 1
Target (sec):
00:00
In $\triangle ABC$, $B = 45^\circ, C = 105^\circ, c=\sqrt{2}$. Find side $a$ and $b$.
A.
$A=30^\circ, a=\sqrt{3}-1, b=\sqrt{2}(\sqrt{3}-1)$
B.
$A=30^\circ, a=\sqrt{3}+1, b=\sqrt{2}(\sqrt{3}-1)$
C.
$A=30^\circ, a=1-\sqrt{3}, b=\sqrt{2}(\sqrt{3}+1)$
D.
$A=30^\circ, a=\sqrt{3}-1,; b=\sqrt{2}(\sqrt{3}+1)$
Discuss