Question

cos 45° cos 30°+sin 45° sin 30°​

Answer 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

Answer 2

Answer:

cos 45° cos30° + sin 45° sin 30°