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i need help with two questions
DE valuate S tan (t) dt 2) Evaluate and simplify Je cos (8x) dx Se WITNESSITA DATE SIGNATURE
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Stancht at = Jl. tantat at f tatant (H) ig=1 f-** Itt J f gar=fJgdr-Jets get at = tant(t) Jindt - Je lidt at st t de tan ( Ba Cosen e 3 | Singa In Singa.e dn f g & 3 32 = Cossn. est 3 + [singa je an SCC8880.8) J. e dalla again using Sfgan = cos 87.n Bm e Sinon e 60881 + 8 73 3 73 El 37 고 e [ 360831 + 8 S1989] 13 39 [36939 +8 Son 81]+c bos e cos@uda - 234 73 (or formula B

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