Answer:
Step-by-step explanation:
Hi Mate!!
Sin ( x + y ) = Sin ( 90 ) and Cos ( x - y) = Cos ( 30 )
bcoz. Sin ( 90 ) = 1. and Cos ( 30 ) = √3 / 2
=>. x + y = 90....... equation 1
and
x - y = 30..... equation 2
Adding both the equations
x = 60 and. y = 30
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Answers & Comments
Answer:
Step-by-step explanation:
Hi Mate!!
Sin ( x + y ) = Sin ( 90 ) and Cos ( x - y) = Cos ( 30 )
bcoz. Sin ( 90 ) = 1. and Cos ( 30 ) = √3 / 2
=>. x + y = 90....... equation 1
and
x - y = 30..... equation 2
Adding both the equations
x = 60 and. y = 30