Evaluate:sin 42°sin 48°-cos 42°cos 48°
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Answered by
5
Answer:
SIN42 ×SIN48 - COS42 × COS48
= COS48 ×SIN48 - SIN48 × COS48
= 0
HOPE THAT HELPS
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Answered by
0
Answer:
sin48° sin[90°-48°] - cos[90°- 48°] cos48°
sin48°cos48°-sin48°cos48°=0
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