1.Use the Pythagorean identities to write the expression as an integer. (a) tan2 4 sec2 4 _________________ (b) 4 tan2 4 sec2 _______________ 2. Use the Pythagorean identities to write the expression as an integer. (a) csc2 3 cot2 3 _________ (b) 3 csc2 3 cot2 _________ 3. Use the Pythagorean identities to write the expression as an integer. (a) 2 sin2 + 2 cos2 _______________ (b) 2 sin2(/4) + 2 cos2(/4) _______ 4. Simplify the expression. sin3 + cos3 sin + cos ___________ 5.Simplify the expression. 6 tan 6 csc sec ___________ 6.Use fundamental identities to write the first expression in terms of the second, for any acute angle . tan , cos ___________ 7.Use fundamental identities to write the first expression in terms of the second, for any acute angle . cos , cot __________ 8. Use the Pythagorean Identities to write the expression as an integer. Question 8 options: 1 5 -1 -5