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College Trigonometry, 2011a

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844 Foundations of <strong>Trigonometry</strong><br />

In Exercises 131 - 154, find the exact value or state that it is undefined.<br />

( (<br />

131. sin arccos − 1 ))<br />

2<br />

( ( 3<br />

132. sin arccos<br />

5))<br />

133. sin (arctan (−2))<br />

134. sin ( arccot (√ 5 )) ( (<br />

135. sin (arccsc (−3)) 136. cos arcsin − 5 ))<br />

13<br />

137. cos ( arctan (√ 7 )) 138. cos (arccot (3)) 139. cos (arcsec (5))<br />

( ( ))<br />

140. tan arcsin − 2√ 5<br />

5<br />

( (<br />

141. tan arccos − 1 ))<br />

2<br />

( ( )) 12<br />

143. tan (arccot (12)) 144. cot arcsin<br />

13<br />

( ( 5<br />

142. tan arcsec<br />

3))<br />

( (√ ))<br />

3<br />

145. cot arccos<br />

2<br />

146. cot ( arccsc (√ 5 )) ( (√ ))<br />

3<br />

147. cot (arctan (0.25)) 148. sec arccos<br />

2<br />

( (<br />

149. sec arcsin − 12 ))<br />

13<br />

( ( 3<br />

152. csc (arccot (9)) 153. csc arcsin<br />

5))<br />

( ( √ ))<br />

10<br />

150. sec (arctan (10)) 151. sec arccot −<br />

10<br />

( (<br />

154. csc arctan − 2 ))<br />

3<br />

In Exercises 155 - 164, find the exact value or state that it is undefined.<br />

( ( ) 5<br />

155. sin arcsin + π )<br />

13 4<br />

(<br />

(<br />

157. tan arctan(3) + arccos − 3 ))<br />

5<br />

( ( )) 13<br />

159. sin 2arccsc<br />

5<br />

( ( 3<br />

161. cos 2 arcsin<br />

5))<br />

156. cos (arcsec(3) + arctan(2))<br />

( (<br />

158. sin 2 arcsin − 4 ))<br />

5<br />

160. sin (2 arctan (2))<br />

( ( )) 25<br />

162. cos 2arcsec<br />

7<br />

163. cos ( 2arccot ( − √ 5 )) ( ) arctan(2)<br />

164. sin<br />

2

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