please answer my question
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here is ur and buddy
cos a =m(cos b)
cos²a=m²(cos²b)
cos a=n(sin b)
cos²a=n²(sin²b)
m²cos²b=n²sin²b
m²cos²b=n²(1-cos²b)
m²cos²b=n²-n²cos²b
m²cos²b+n²cos²b=n²
(m²+n²)cos²b=n²
hope it helps......buddy
cos a =m(cos b)
cos²a=m²(cos²b)
cos a=n(sin b)
cos²a=n²(sin²b)
m²cos²b=n²sin²b
m²cos²b=n²(1-cos²b)
m²cos²b=n²-n²cos²b
m²cos²b+n²cos²b=n²
(m²+n²)cos²b=n²
hope it helps......buddy
jude0704:
is it helpful
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Hey check the attachment please
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