Cos38cos8+sin38sin8 is equal to
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Answered by
2
Answer:
2cos38sin72.thatsallll
Answered by
0
Answer:root 3 by 2
Step-by-step explanation:
The value of cos 38*cos 8 + sin 38*sin 8 has to be determined. Use the formula cos a*cos b + sin a* sin b = cos (a-b)
cos 38*cos 8 + sin 38*sin 8
= cos (38-8)
= cos 30
= root 3 by 2
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