Math, asked by jhaprabha907, 1 month ago

. find the values of the
following
Cos²77° - Sin 13°

Sin54°/
cos 36°
+
Cos 54°/
Sin36°​

Answers

Answered by restructo
0

Answer:

cos36

cos54

−sin36

sin54

=0

cos(90

−54

)cos(90

−36

)−sin36

sin54

=sin54

sin36

−sin36

sin54

=sin36

sin54

−sin36

sin54

=0

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