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If sin θ = 3/8 and θ is in the second quadrant, find values of all 5 other trigonometric functions o...
4 months ago
Q:
If sin θ = 3/8 and θ is in the second quadrant, find values of all 5 other trigonometric functions of θ
Accepted Solution
A:
Answer:Hence The other five trigonometric function as :CosФ =[tex]\frac{\sqrt{73}}{8}[/tex] TanФ = [tex]\frac{3}{\sqrt{73}}[/tex] SecФ = [tex]\frac{8}{\sqrt{73}}[/tex] CotФ =[tex]\frac{\sqrt{73}}{3}[/tex]Step-by-step explanation:Given as :sin Ф = [tex]\frac{3}{8}[/tex] ∵ sin Ф = [tex]\frac{perpendicular}{hypotenuse}[/tex] So, [tex]\frac{perpendicular}{hypotenuse}[/tex] = [tex]\frac{3}{8}[/tex] Then from Pythagorean theorem Hypotenuse² = Perpendicular² + Base² So, Base² = Hypotenuse² - Perpendicular² Or, Base² = 8² + 3² = 64 + 9 = 73 ∴ Base = √73 So, CosФ = [tex]\frac{Base}{hypotenuse}[/tex] CosФ = [tex]\frac{\sqrt{73}}{8}[/tex] TanФ = [tex]\frac{perpendicular}{Base}[/tex] TanФ = [tex]\frac{3}{\sqrt{73}}[/tex] SecФ = [tex]\frac{hypotenuse}{base}[/tex] SecФ = [tex]\frac{8}{\sqrt{73}}[/tex] CotФ = [tex]\frac{Base}{Perpendicular}[/tex] CotФ = [tex]\frac{\sqrt{73}}{3}[/tex] CosecФ = [tex]\frac{hypotenuse}{perpendicular}[/tex] CosecФ = [tex]\frac{8}{3}[/tex] Hence The other five trigonometric function as : CosФ = [tex]\frac{\sqrt{73}}{8}[/tex] TanФ = [tex]\frac{3}{\sqrt{73}}[/tex] SecФ = [tex]\frac{8}{\sqrt{73}}[/tex] CotФ = [tex]\frac{\sqrt{73}}{3}[/tex] CosecФ = [tex]\frac{8}{3}[/tex] Answer