Question: Question no. 3 (Marks: 2.5) Evaluate exactly sec (), using reference angles where appropriate, without using a calculator. Question no. 4 (Marks: 2.5) Verify that

Question no. 3 (Marks: 2.5) Evaluate exactly sec (), using reference

Question no. 3 (Marks: 2.5) Evaluate exactly sec (), using reference angles where appropriate, without using a calculator. Question no. 4 (Marks: 2.5) Verify that sinx + cosx = cotx + 1 is identity. CSCX

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