Victory for the ACT Student Text 15e

R EVIEW • 277

Š‡ ϐ‹‰—”‡ „‡Ž‘™ ‹• ƒ ’‘••‹„Ž‡ ‰”ƒ’Š ‘ˆ which of the following equations?

If i b is an acute angle and cos c b i , and b c ! , then sin i is equal to which of the following? F. b c b 2 2 G. b b c 2 2 H. b b c 2 2 J. c b c 2 2 K. c c b 2 2 0 ! and c 0 !

31.

32.

A.

y 2 B. sin y C. csc y D. csc y E. sec y

x

(sin )

= + = + = − = +

x 2 x 1 x 1 x 1