Question

if sin 5a=cos 4a find the value of a​

Answer 1

Answer:

10

Step-by-step explanation:

sin5a=cos4a

cos(90°-5a)=cos4a

90°-5a=4a

90°=4a+5a

90°=9a

a=90/9=10 ans.

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Answer 2

Answer:

10 is the correct answer

Step-by-step explanation:

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