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Write the value of cos^(-1) (cos 1540^@)...

Write the value of `cos^(-1) (cos 1540^@)`.

Text Solution

Verified by Experts

Given, `cos^(−1)(cos1540^@)`
`=cos^(−1)(cos(360^@×4+100^@)) `
`=cos^(−1)(cos100^@)`
`=100^@`
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