Question

Cos 60 cos 45 + sin 60 sin 45 is equals to sin 45 cos 30 + cos 45 sin 30

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Answer is equal .

Step-by-step explanation:

1/2 * 1/√2 + √3/2 * 1/√2 = 1/√2 * √3/2 + 1/√2 * 1/2

1*1+3*1 / 2 = 1*3+1*1 / 2

4/2 = 4/2 answer

2/1 = 2/1 answer .

LHS= RHS ..

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