Jawaban terlampir
salam semangat
sin²(x)/cos²(x) - cos²(x)/sin²(x) = tan²(x) - cot²(x)
= (sec²(x) - 1) - (csc²(x) - 1)
= sec²(x) - csc²(x) - 1 + 1
= sec²(x) - csc²(x)
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Jawaban terlampir
salam semangat
sin²(x)/cos²(x) - cos²(x)/sin²(x) = tan²(x) - cot²(x)
= (sec²(x) - 1) - (csc²(x) - 1)
= sec²(x) - csc²(x) - 1 + 1
= sec²(x) - csc²(x)