Verify
sin260° + cos260° = 1
Answers
Answered by
0
Answer:
sin
2
60°+cos
2
60°=(
2
3
)
2
+(
2
1
)
2
⇒
4
3
+
4
1
=
4
4
=1
∴sin
2
45°+cos
2
45°=(
2
1
)
2
+(
2
1
)
2
=
2
1
+
2
1
=1
∴sin
2
60°+cos
2
60°=sin
2
45°+cos
2
45°
Hence, the answer is sin
2
45°+cos
2
45°.
Similar questions