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The angle between vectors A = î + ĵ and B = î - ĵ is:
î × î equals:
The value of sin 30° is:
The value of sin²θ + cos²θ is:
Find angle (in degrees) subtended by a circular arc of radius 6 cm and length π cm at its centre.
Find the value of cos105° + cos75°.
√(1 + sinθ) is equal to:
If tanθ = 4/3, find the value of sinθ.
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