+0  
 
0
194
5
avatar+156 

 

 

I know it's a lot of questions but I am not good with Trigonometry or triangles! Sorry! Please help. Thank you!

mathelp  May 2, 2018
 #1
avatar+91027 
+1

First one  ....Note that

sin L  = 21/75  ⇒    sin-1 (21/75)   = L

cos L  = 72/75 ⇒  cos-1 (72/75)  = L

tan L = 21/72  ⇒  tan-1 (21/72) = L

 

Second one

 

sin A  = 35/37

cos A  = 12/37

 

 

cool cool cool

CPhill  May 2, 2018
 #2
avatar+156 
+1

Thank you so much!!! smiley

mathelp  May 2, 2018
 #3
avatar+91027 
+2

tangent P  =   opp/adj =  24/18

tangent Q  = adj/opp = 18/24

 

 

tan 26/10

tan B  = 10/26

Note...on this silly  question.......one leg of the right triangle is LONGER than the hypotenuse...IMPOSSIBLE!!!!

 

 

Last one   .....we can use the tangent here 

 

tan 19  =   height  / 4100     multiply both sides by  4100

 

4100 * tan 19   = height  ≈   1412 ft

 

 

 

cool cool cool

CPhill  May 2, 2018
 #4
avatar+156 
+1

Thank you so much!! I am not good with these! Thanks for your help! smiley

mathelp  May 2, 2018
 #5
avatar+51 
+2

Remember So/h Ca/h To/a for the first one

melvsky  May 2, 2018

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