Evaluate
\frac{\left(\cos(B)\right)^{2}-\left(\cos(A)\right)^{2}}{\left(\cos(A)\cos(B)\right)^{2}}
Differentiate w.r.t. B
\frac{2\tan(B)\left(\left(\sin(A)\right)^{2}-1\right)}{\left(\cos(A)\right)^{2}\left(\cos(B)\right)^{2}}
Quiz
Trigonometry
5 problems similar to:
\tan ^ { 2 } A \sec ^ { 2 } B - \sec ^ { 2 } A \tan ^ { 2 } B
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