If be an acute angle and a sin b cos = 0, what will be the values of sin and cos in terms of a and b ?

If be an acute angle and a sin b cos = 0, what will be the val

1.	If be an acute angle and a sin b cos = 0, what will be the values of sin and cos in terms of a and b ?
A.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>b</center></td><td rowspan="2">, </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td></tr></table>
B.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> - b</center></td><td rowspan="2">, </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td></tr></table>
C.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>b</center></td><td rowspan="2">, </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> - a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td></tr></table>
D.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>b </center></td><td rowspan="2">, </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a </center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td></tr></table>
Answer» B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> - b</center></td><td rowspan="2">, </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>a</center></td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">a + b </span></td></tr></table>

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If be an acute angle and a sin b cos = 0, what will be the values of sin and cos in terms of a and b ?

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