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Algebra &Trigonometry Sullivan & Sullivan, Fourth Edition § 7.2 The Inverse Trig Functions Inverse sine / cosine Make sure that you pay careful attention to which quadrant the angle is in! 3 1) Evaluate sin1 without using the calculator. 2 1 2) Evaluate cos 1 without using the calculator. 2 3) Evaluate tan1 (1) without using the calculator. Composition with Inverse sine / cosine Be able to evaluate the inverse of sine, cosine by hand, without a calculator 4) Evaluate cos 1 sin without using the calculator. 4 Page 1 / 4 Page 1 / 4 Algebra &Trigonometry Sullivan & Sullivan, Fourth Edition 3 2 5) Evaluate sin cos 1 17 9 6) Evaluate cos sin1 § 7.2 Page 2 / 4 without using the calculator. without using the calculator. Inverse of csc / sec / cot Be able to evaluate the inverse of the remaining trig functions by hand, without a calculator 7) Evaluate sec 1 2 without using the calculator. 2 3 8) Evaluate csc 1 without using the calculator. 3 3 9) Evaluate cot 1 without using the calculator. 3 Page 2 / 4 Algebra &Trigonometry Sullivan & Sullivan, Fourth Edition § 7.2 Page 3 / 4 Inverse of csc / sec / cot Be able to evaluate the inverse of the remaining trig functions using a calculator 10) Evaluate sec 1 9 using the calculator. 11) Evaluate csc 1 5 using the calculator. 12) Evaluate cot 1 5 using the calculator. 13) Evaluate sec 1 .5 using the calculator. 14) Evaluate csc 1 .5 using the calculator. 15) Evaluate cot 1 .5 using the calculator. 16) What are the restrictions on the domain of y csc 1 x ? On the domain of y sec 1 x ? On the domain of y cot 1 x ? Page 3 / 4 Algebra &Trigonometry Sullivan & Sullivan, Fourth Edition § 7.2 Composition with Inverse Trig Functions 17) Evaluate sec cot 1 3 without using the calculator. 18) Evaluate csc 1 sec without using the calculator. 3 19) Evaluate csc 1 sec.5 without using the calculator. 1 20) Evaluate tan cos 1 without using the calculator. 3 21) Evaluate csc tan 1 2 without using the calculator. Page 4 / 4 Page 4 / 4