Stucked on this for hours (Crying)
Given, √2cosA=cosB+cos³B and √2sinA=sinB-sin³B
need to prove that, sin(A-B)=±1/3
Somebody pls give the solution, thanks
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Stucked on this for hours (Crying)
Given, √2cosA=cosB+cos³B and √2sinA=sinB-sin³B
need to prove that, sin(A-B)=±1/3
Somebody pls give the solution, thanks
Yayyyyyyyy!!! That was just AWESOME!! Many many thanks!
