Trig identities, compound, multiple, sub-multiple angles, transformations.
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Q1 · Trigonometric Ratios up to Transformations · EASY
If sin θ + cos θ = √2, then the value of sin θ · cos θ is
Q2 · Trigonometric Ratios up to Transformations · MEDIUM
If tan A + cot A = 5, then the value of tan²A + cot²A is