Trig Answers for Lower Six
3
Finding Exact Values of Sine, Cosine and Tangent for Related Angles to 30 °, 45 °, 60 ° 1) −√ 3 2 2) 1 3) √ 3 2 4) √ 2 2 Solving Trigonometric Equations 1. θ=1.23 rads θ=5.05rads 2. θ=−0.201 radsθ=−2.94 rads 3. x=270 ° Other Trigonometric Functions Simplifying Fractions 1− sin 4 x 2− cos 2 x Solving equations x=1.25 radsx=4.39 radsx=−1.89 rads x= 3 π 4 radsx= 7 π 4 radsx= −π 4 rads Compound Angle Formulae Question 1 a) 2−√ 3 b) √ 2− √ 6 4 2. 1 2 Double Angle Formulae Question 1 (a) −0.28 (b) 1.09 2. x=270 °x=56.4 °x=123.6 °
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Transcript of Trig Answers for Lower Six
Finding Exact Values of Sine, Cosine and Tangent for Related Angles to 1) 2) 3) 4)
Solving Trigonometric Equations1. 2. 3.
Other Trigonometric FunctionsSimplifying Fractions
Solving equations
Compound Angle FormulaeQuestion 1a) b) 2.
Double Angle FormulaeQuestion 1(a) (b) 2. 3.
Half- angle formulae
Factor Formulae
Properties of Trigonometric Functions
General Solutions of Trigonometric Functions
Harmonic Form
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