Which of the following is the correct climb gradient equation?

• A. τ-\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2
• B. τ+\(\frac{1}{2}\)[u2+u-2]=Emaxsinγ2
• C. τ+\(\frac{1}{2}\)[u2+u-2]=Emax
• D. τ-\(\frac{1}{2}\)[u2+u-2]=Emax