for positive angle thita ,sin (270+thita)
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In trigonometrical ratios of angles (270° + θ) we will find the relation between all six trigonometrical ratios. Using the above proved results we will prove all six trigonometrical ratios of (180° - θ). Therefore, cot (270° + θ) = - tan θ.
Step-by-step explanation:
sin (270° + θ) = - cos θ ... In the fourth quadrant (270° degree plus theta), cos and sec are positive and other trigonometric ratios are ...
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cos(thita)
Step-by-step explanation:
whenever 90 or 270(angles)will comes,sine is changed to cosine
and vice versa
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