Math, asked by jhaprabha907, 12 days 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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