Math, asked by Anonymous, 1 year ago

Evaluate cos48°- sin42°
with explanation. .

Answers

Answered by Anonymous

4

Answer:

0

Step-by-step explanation:

cos48° - sin42°

=> cos48° - sin(90-48°)

As we know that :

sin(90-A) = cosA

=> cos48° - cos48°

=> 0

Answered by Anonymous

0

Answer:

cos 48° - sin 42°

cos48° - cos (90°-42°)

cos48°- cos48°

0

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