1.

o g e Nनल लाकुल et +vabs o - Hj%fi’/”’a’—‘%et/

Answer»

sin67° + cos 75°

= cos 23° + sin 15°

This is according to the formula,

sin(90-∅) = cos∅ andcos (90-∅) = sinФ

Thanku😊



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