Cos 2x O O tan 2xFree trigonometric equation calculator solve trigonometric equations stepbystep This website uses cookies to ensure you get the best experience ByQII i) Express the equation 3 sin = cos , in the form tan = k and solve the equation for 00 180 ii) Solve the equation 3 sin 2 x = cos 2x for O s x g 180 21 41 S15 / 13 / Q4 4 le tasz Q12 i) Prove the identity( for C) S x < 2n ii) Hence solve the equation W15 / 12 / Q4 1 3 sin e tan 94=0 can be expressed as Q13
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