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The value of sin (180+x) is equivalent to a)-sinx b)-sin (90-x) c)sinx d)sin (90-x) If sec (a+15) =csc (2a) find the smallest positive value of a in degrees. and Q38
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The value of sin (180+x) is equivalent to

a)-sinx
b)-sin (90-x)
c)sinx
d)sin (90-x)

If sec (a+15) =csc (2a) find the smallest positive value of a in degrees.

and Q38

The value of sin (180+x) is equivalent to a)-sinx b)-sin (90-x) c)sinx d)sin (90-x-example-1
User Daiana
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1 Answer

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The value of sin (180 + x) is equivalent to - sin x.
User RmIu
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