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Mathematics 19 Online
OpenStudy (anonymous):

trignometry

OpenStudy (anonymous):

\[3\sin \theta+5\cos \theta =5\] find value of \[5\sin \theta-3\cos \theta \]

OpenStudy (anonymous):

@ganeshie8 help!

OpenStudy (dan815):

hmm

OpenStudy (dan815):

cos^2+sin^2=1

OpenStudy (dan815):

oh 5sin t - 3 cos t

OpenStudy (dan815):

thats not hard

OpenStudy (anonymous):

shld we square both sides ...will it give some thing???

OpenStudy (anonymous):

i guess it won't..i tried.

OpenStudy (math&ing001):

Just a hint sin(pi/2 + theta) = - cos(theta) & cos(pi/2 + theta) = sin(theta)

OpenStudy (anonymous):

|dw:1414581322553:dw| so finding out sin and cos i am getting answer as 0 lol but it is +/-3

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