Question: An equivalent expression to tan- (8) is: Oa) sec (0 ) - 1 Ob) sec2 ( 0 ) + 1 Och sec2 (0) - 1

An equivalent expression to tan- (8) is: Oa) sec (0 ) - 1 Ob) sec2 ( 0 ) + 1 Och sec2 (0) - 1 O d) sec (0 ) + 1Which expression is equivalent to: 1 - 2 sin? (0) O a) 1 - tan? (0) Ob) sin? (0) + 1 O c) cos? (0) - sin? (0) O d) 2 cos2 (0) + 1Which of the following is not equivalent to tan (-x) ? O a) - tan (a) b) sin(x) cos (2) c) sin (-x) COST O d) cot (x)Which of the following is equivalent to: tan(0) COS( a) cos(0) cot(0) O b) sec(0) cot(8) O c) csc(0) sin (8) (d) 1

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