Math, asked by venkatsathvikkumarg, 5 months ago

given that cos (a-b)=cos a.sin b+sin a. sin b. find the value of cos 15 in two ways (i) Taking A=60 , B=45. (II) taking A=45 , B= 30

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Answered by sethriya56

0

Step-by-step explanation:

(I) Taking a=60 &b=45

(II) Taking a=45 & b=30

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