evaluate 3 sin^2 30° +2 tan^2 60° =5 cos^2 45°
Answers
Answered by
1
3sin
2
30
0
+2tan
2
60
0
−5cos
2
45
0
=3(
2
1
)
2
+2(
3
)
2
−5(
2
1
)
2
=
4
3
+6−
2
5
=
4
3+24−10
=
4
17
=4
4
1
Similar questions