In this question, all angles are in radians. Solve the equation $$$\sec ^{2} \theta=\tan \theta+3$$$ for $$$-\pi< \theta< \pi$$$.

Additional Mathematics

IGCSE&ALevel

CAIE

Exam No：0606_m22_qp_22 Year：2022 Question No：7(a)

Answer:

12.1 Use the binomial theorem for expansion of (a + b)ⁿ for positive integer n.

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