Prove that Cos 306 degree+cos 234degree+cos 162degree+cos 18 degree=0
Answers
Answered by
51
In the attachment I have proved this problem.
Following results are very useful to
understand the steps :
Cos (180 - A) = - Cos A
Cos A = Sin (90 - A)
Following results are very useful to
understand the steps :
Cos (180 - A) = - Cos A
Cos A = Sin (90 - A)
Attachments:
Answered by
5
Answer:
Heya.... Refer to the attachment ✨
Attachments:
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