if x and y are complementary angles then
1.sin x = sin y
2.tan x= tan y
3cos x= cos y
4.sec x= cosec y
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Coseley the following rational numbers as a point on the number of workdays
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x and y are complementary => x + y = {90}^{0}
=> sin x = sin ( {90}^{0} - y ) = cos y
=> sin y = cos ( 90 - x ) = cos x
Also, tan y = cot ( 90 - y ) = cot x
sec x = cosec ( 90 - x ) = cosec y
sun y * tan x = cos x * sinx / cos x = sin x
tan y * cos x = cot y * cos x = cos y / sin y * sin y
= cos y = sin x
cosec y = 1/ siny = 1/ cos x = sec x
Radhe Radhe..
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