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freewilly922
 2 years ago
Best ResponseYou've already chosen the best response.0write down what sin(a+b) and cos(a+b) to see if either pattern fits. If one does you should be able to reverse that trig identity back to one trig function one angle.

sunnymony
 2 years ago
Best ResponseYou've already chosen the best response.0sin(a+b)=sinaxcosb +cosaxsinb using this formula to solve the problem

phi
 2 years ago
Best ResponseYou've already chosen the best response.0I think they want you to memorize http://www.mathwarehouse.com/trigonometry/identities/anglesumformula.php

sunnymony
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1353342333243:dw

sunnymony
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1353342478497:dw

sara1234
 2 years ago
Best ResponseYou've already chosen the best response.0can you please type it out i dont understand it

sunnymony
 2 years ago
Best ResponseYou've already chosen the best response.0hey plz check the question?

sunnymony
 2 years ago
Best ResponseYou've already chosen the best response.0becoz the question is wrong

sunnymony
 2 years ago
Best ResponseYou've already chosen the best response.0use 6 in place of 7. use this no. to check the question
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