Which one is correct in the following ?
a) cos²0-sin²0 = 1 c) cot²0 - tan²0 = 1 b) sec²0-cosec 0 = 1 d) sec²0- tan²0 = 1
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Answer:
aa) cos²0-sin²0 = 1
Step-by-step explanation:
it is correct i think
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Answer:
kya hua
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