ICSE Class 10 Answered
prove that :
1-cos²ø=sin²ø
Asked by mariannepearl113 | 21 Sep, 2020, 14:41: PM
Expert Answer
1-cos²ø = sin²ø
L.H.S = 1-cos²ø = (sin²ø + cos²ø) - cos²ø =sin²ø = R.H.S
Hence proved.
Answered by Yasmeen Khan | 21 Sep, 2020, 23:28: PM
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