Exercises — Trigonometric inequalities

All the worked exercises of the chapter, in order of appearance in the book: elementary inequalities with sine, cosine and tangent; factorisation with sign study; inequalities with absolute value.

• Elementary inequality with the sine
• Inequality reducible to the cosine
• Elementary inequality with the tangent
• Factorisation with the double-angle formula
• Absolute value of the cosine
• Product of factors with sign table