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If sin5theta=cos4theta, whre 5thetaa n d...

If `sin5theta=cos4theta,` whre `5thetaa n d4theta` are acute angles, find the value of `theta` .

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`sin5theta=cos((90)^0−5theta) `
Given,
`sin5theta=cos4theta`
`=>cos((90)^0−5theta)=cos4theta`
`=>(90)^0−5theta=4theta`
`=>(90)^0=4theta+5theta`
`=>(90)^0=9theta`
...
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