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| 1. |
If (1-sinø) (1+sinø) =1/4 , find the value of tan ø |
| Answer» {tex}(1-sin\\theta)(1+sin\\theta)+{1\\over 4}\\\\=> 1-sin^2\\theta ={1\\over 4}\\\\=> cos^2\\theta={1\\over 4}\\\\=> cos\\theta ={1\\over 2}\\\\=> cos \\theta= cos 60^°{/tex}{tex}=> \\theta =60^°\\\\tan 60^°= \\sqrt 3{/tex} | |