Math, asked by AASHISH99, 1 year ago

cos74 cos 14+sin74 sin14

Answers

Answered by nareshambati

2

cos 90- 14 (cos14)+sin 90-14(sin14
sin 14 .1/sin14+cos 14 1/cos14
sin and cos are cancelled
1+1_2

Answered by aadityabansal

2

Cos(a-b)=cosacosb+sinasinb
So answer is cos60
That is= 1/2

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