Find the value of
sec^2 42° - cos ec^2 48°
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8
Step-by-step explanation:
sec²42°-cosec²48°
=sec²(90°-48°)-cosec²48°
=cosec²48°-cosec²48°
=0
Answered by
0
Answer:
sec²(90°–48°) – cosec²48°
sec²48° – cosec²48°
= 0
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