This document is a review guide answer key for a 10th grade math exam. It provides answers to trigonometry problems involving sin, cos, and tan functions with angle values between 30 and 60 degrees. It also gives solutions to problems finding lengths of sides of triangles and calculating angles using trigonometric ratios.

1. 10th Grade Exam Review Guide Answer Key<br />Pg. 265: 7) sinθ = -√1081/35 , tanθ = -√1081/12<br />Pg. 265: 9) 0<br />Pg. 265: 26) 165o and 205o <br />Pg. 266: sin30 = 1/2 , sin45 = 1/√2 , sin60 = √3/2<br /> cos30 = √3/2 , cos45 = 1/√2 , cos60 = 1/2<br /> tan30 = 1/√3 tan45 = 1 , tan60 = √3<br />Pg. 271: 1) 3.91<br />Pg. 271: 2) 5.176<br />Pg. 271: 7) <A = 29o<br />Pg. 271: 8) <F = 93o<br />Pg . 278: 1) AC = 5.56 , AB = 11.06<br />Pg. 285: 2) z = 18.7<br />Pg. 285: 5) not solveable<br />Pg. 287: 15) <B = 21.1o , <C = 122.1o , c = 7.1<br />