to prove cos 7degree cos 14 degree cos 28 degree cos 56degree =sin 68/16cos83 degree
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Answered by
0
Answer:
cos 7 ° cos 14°
Step-by-step explanation:
28°cos 56° sin 68/ cos 83 °
cos 17°
cos 22°
68/16= 34/8= 17/4 .
83-90 =7°
Answered by
0
Answer:
cos7°. cos14°
Step-by-step explanation:
28° cos 56° sin 68/cos83°
cos 17°
cos 22°
68/16=34/8=17/4
83-90=7°
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