Question

45 degrees cos 30 degree + cos 45 degrees sin 30degrees

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

step by step explanation :-

the value of cos 45° cos 30° + sin 45° sin 30°

1/√2 * √3/2 + 1 / √2

= 1 / √2 (√3+1/2)

= √3+1 / 2√2