(sin²a-cos²a+1)/sin²a=?
please send me the full solution step by step
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Answered by
1
Sin2a-cos2a+1÷sin2a
=sin2a-(1-sin2a) +1÷sin2a
=sin2a-1+sin2a+1÷sin2a
=2sin2a÷sin2a
=2
Answered by
0
Step-by-step explanation:
sin²a-cos²a+1/sin²a
sin²a-(1+sin²a)+1/sin²a
sin²a-1-sin²a+1/sin²a
0/sin²a
0
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