find the value of: sin 30^0 cos 60^0+cos 30^0 sin 60^0 Is it equal to sin 90^0 or cos 90^0?
Answers
Answered by
4
sin30°cos60°+cos30°sin60°
=1/2×1/2+root3/2×root3/2
=1/4+3/4
=1+3/4
=4/4
=1
so it is equal to sin90°
=1/2×1/2+root3/2×root3/2
=1/4+3/4
=1+3/4
=4/4
=1
so it is equal to sin90°
Answered by
1
sin 30×cos 60+cos 30×sin 60=(1/2)×(1/2)+(√3/2)×(√3/2)
=(1/4)+(3/4)
=4/4
=1
=sin 90
=(1/4)+(3/4)
=4/4
=1
=sin 90
Similar questions
English,
7 months ago
Math,
7 months ago
Computer Science,
1 year ago
English,
1 year ago
Science,
1 year ago