Find the trigonometric ratios of 360º
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Trigonometrical Ratios of (360° - θ)
Find the value of sec 300°. Solution: sec 300° = sec (360 - 60)° = sec 60°; since we know, sec
(n ∙ 360° - θ) = sec θ ...
Find the value of sin 270°. Solution: sin 270° = sin (360 - 90)° ...
Find the value of tan 330°. Solution: tan 330° = tan (360 - 30)° ...
Find the value of cos 315°.
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tan (n•360° -0) = - tan 0, csc (n•360° - 0 = - csc 0; sec ( n•360°-0) = sec 0; cot ( n• 360° - 0) = - cot 0.
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