Math, asked by Vivek123467, 9 months ago

Ifsin2a is equal to 1by 18 then a is equal to

Answers

Answered by venomnight837

0

Answer:Answer:

Step-by-step explanation:

Sin2a=cos(a-18)

[SinA=cos (90-A)]

Cos(90-2a)=cos (a-18)

90-2a=a-18

90+18=a+2a

108=3a

a=108/3

a=36°

Step-by-step explanation:

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