cos 45° cos 30°+sin 45° sin 30°
Answers
Answered by
1
Answer:
√3+1/2√2
Step-by-step explanation:
sin 45=1/√2
cos 45=1/√2
cos 30=√3/2
sin 30=1/2
1/√2×1/2+1/√2×√3/2
=√3+1/2√2
Answered by
2
Answer:
cos 45° cos30° + sin 45° sin 30°
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