Question
Mathematics Question on Trigonometric Ratios of Some Specific Angles
Choose the correct option and justify your choice: 1+tan245°1−tan245°=
A
tan 90°
B
1
C
sin 45°
D
0
Answer
0
Explanation
Solution
1+tan245°1−tan245°
=1+(1)21−(1)2
=(1+1)(1−1)
=20
= 0
Hence, option (D) is correct.