Question

cos 60× cos 45- sin 60× sin 45​

Answer 1

Answer:

❀Hey mate᭄Hope it helps you❀

Step-by-step explanation:

→Cos60° x Cos45°- (Sin60° x Sin45°)

→(½) x (1/√2)- (√3/2) x (1/√2)

→1/2√2 -(√3/2√2)

→1-√3/2√2

Answer 2

refer to the attachment

#hope it helps...