The value of cot 0 - sin (90° - 0) cos(90° - 0) is​

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sin (90^(@)+theta)sin (180^(@)-theta)tan (180^(@)-theta))/(cos (90 ^(@)-theta)cos (180^(@)-theta)

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6) find the value of x cosec(90+θ)+xcosθ⋅cot(90+0)=sin(90+θ) (7) Prov..

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