Grade 10Trigonometry
The value of cos a/sin(90+a) +sin a/(sin (180+a) +cos (90+a)/tan a
The value of cos a/sin(90+a) +sin a/(sin (180+a) +cos (90+a)/tan a
1 Answer
Arun
As we know
Sin(90+A) = cos A
Sin(180+A) = - sinA
Cos(90+A) = -sin A
Put thus conversion and find value
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