\cos(25^{\circ%20})%2B\sin(70^{\circ%20})\sin(25^{\circ%20})&line2=\mathrm{Solution:\:}\frac{\sqrt{2}}{2} "cos(70)cos(25)+sin(70)sin(25)")
cos(70)cos(25)+sin(70)sin(25)
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SOLVED: sin (70 can be written as: 2cos" (35 2 sin (35 cos (35 cos? (35 sin? (35 ' 2sin (70" ) cos (70 "
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cos 70^(@) + sin 40^(@)=
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![cos"70^(@), "sin"20^(@)], ["sin"70^(@), "cos"20^(@)]|=?](https://d10lpgp6xz60nq.cloudfront.net/ss/web/1899652.jpg "cos\"70^(@), \"sin\"20^(@)], [\"sin\"70^(@), \"cos\"20^(@)]|=?")
cos"70^(@), "sin"20^(@)], ["sin"70^(@), "cos"20^(@)]|=?
The value of cos 50∘+cos 70∘+cos 170∘ is
trigonometry - Prove that $\cot{70°}+4\cos{70°}= \sqrt{3}$ - Mathematics Stack Exchange
=\frac{800\cos(70^{\circ%20})}{425}&line2=\mathrm{Solution:\:}%CE%B8=0.87133%E2%80%A6%2B360^{\circ%20}n,%CE%B8=360^{\circ%20}-0.87133%E2%80%A6%2B360^{\circ%20}n "cos(θ)=(800cos(70))/(425)")
cos(θ)=(800cos(70))/(425)
