1.1. Convert the following into simplest form
2177
(1) tan (0-1470)
(ii) cot
2
(iii) cosec (511 +0)
(iv) sec (41-0)
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Answer:
1.−0.57735026918
2.28.63625328291
3.−5.24084306416
4.1.325012993348
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