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What is the value of sin30∘ \sin 30 ^ \circ sin30∘?
What is the value of cos45∘ \cos 45 ^ \circ cos45∘?
What is the value of tan60∘ \tan 60 ^ \circ tan60∘?
What is the value of sin20∘+cos290∘ \sin^2 0 ^ \circ + \cos ^2 90 ^ \circ sin20∘+cos290∘?
What is the value of sin(−360∘) \sin (-360^\circ) sin(−360∘) ?
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