sin330cos120+cos210sin300
Answers
Answered by
4
sin330=-1/✓2
cos120=-1/✓2
cos210=-✓3/2
sin300=-✓3/2
=-2/✓2-2✓3/2
2/✓2(-1-✓3)
cos120=-1/✓2
cos210=-✓3/2
sin300=-✓3/2
=-2/✓2-2✓3/2
2/✓2(-1-✓3)
Similar questions