value of sin40-sin50
Answers
Answered by
2
the value of sin40-sin50 =1.
Answered by
1
heya!!!
as you know that ,,,sinC-sinD =2cos(C+D)/2*sin(C-D)/2
=)like that.......
=)sin40°-sin50°
=)2cos(40°+50°)/2×sin(40°-50°)/2
=)-2*COS*90°/2×SIN10/2
=)-2°1/√2×sin5°
=)-2×√2/√2*√2×sin5°
=)-√2sin5° ANS.
hope it help you.
@rajukumar☺
as you know that ,,,sinC-sinD =2cos(C+D)/2*sin(C-D)/2
=)like that.......
=)sin40°-sin50°
=)2cos(40°+50°)/2×sin(40°-50°)/2
=)-2*COS*90°/2×SIN10/2
=)-2°1/√2×sin5°
=)-2×√2/√2*√2×sin5°
=)-√2sin5° ANS.
hope it help you.
@rajukumar☺
Similar questions