1.

cos(48*(42*cosec)) %2B sin(218)*sec(42)

Answer» <p>sin 48 sec 42+ cos 48 cosec 42=sin (90-42)sec42 + cos(90-42)cosec42</p><p>= cos42 sec42 + sin 42 cosec42</p><p>= 1 + 1</p><p>=2</p>


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