Show that sin 80 degree minus sin 20 degree = cos 50 degree
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your ans is here
Step-by-step explanation:
- sin80 = 0.9848
- sin20 = 0.3420
- cos50= 0.6428
suppos that sin80 - sin20
sin (80-20)° =. cos 50
therefore..... sin (0.9848-0.3420) = cos (0.6428)
...
... sin (0.6428) = cos ( 0.6428)
okay hope it will help you
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