Math, asked by medhasaha999, 9 months ago

Evaluate:sin 42°sin 48°-cos 42°cos 48°

Answers

Answered by Anonymous
5

Answer:

SIN42 ×SIN48 - COS42 × COS48

= COS48 ×SIN48 - SIN48 × COS48

= 0

HOPE THAT HELPS

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Answered by xyz3920
0

Answer:

sin48° sin[90°-48°] - cos[90°- 48°] cos48°

sin48°cos48°-sin48°cos48°=0

hope it helps.....

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