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Questions (1)
If sec (t) = 13/12 then,find the value of cos (t)
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Answers (1)
Square both side first 2x)^1/2^2=(x-4)^2 2x=x^2-8x+16 subtract 2x from both sides x^2-10x+16 now FOIL (x-8)(x-2)
