Write the expression as the sine, cosine, or tangent of an angle. (6 points) cos 96 cos 15 + sin 96 sin 15
Answers
Answered by
1
Solution:
*****************************************
We know ,
cosAcosB + sinAsinB = cos( A - B )
****************************************
Here ,
A = 96° , B = 15°
Now ,
Cos 96°cos15° + sin96sin15
= cos ( 96 - 15 )
= cos 81°
••••
*****************************************
We know ,
cosAcosB + sinAsinB = cos( A - B )
****************************************
Here ,
A = 96° , B = 15°
Now ,
Cos 96°cos15° + sin96sin15
= cos ( 96 - 15 )
= cos 81°
••••
Answered by
0
Answer:
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Step-by-step explanation:
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