Prove the trigonometric identity. tanzcot z sec² z CSC Z CUSZ Drag an expression to each box to correctly complete the proof. tanzicot z CSC Z C6 Z =sec²z =sec²z sec²z =sec² z co³¹ sec²z = sec² z ÎN 2 CH 2 an 2 = sec²z sec²z =sec²z in z sin z sin z cz COS Z zsinz cos z CU 最單 din z

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