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CLASS 10/EX-8.3/Q-4(viii)/CH-8/TRIGONOMETRY/CBSE/NEW SYLLABUS/sinA+cosecA2+cosA+sec A2=7+tan2A+cot2A
![[[cos^{2} x, sin^{2} x], [sin^{2} x, cos^{2} x]] + [[sin^{2} x, cos^{2} x], [cos^{2} x, sin^{2} x]]](http://i.ytimg.com/vi/RfG0jGK54a4/mqdefault.jpg "[[cos^{2} x, sin^{2} x], [sin^{2} x, cos^{2} x]] + [[sin^{2} x, cos^{2} x], [cos^{2} x, sin^{2} x]]")
