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[ \frac \operatorname sin ^ 2 22 ^ \circ %2B \operatorname sin ^ 2 68 ^ \circ \operatorname cos ^ 2 22 ^ \circ %2B \operatorname cos ^ 2 68 ^ \circ %2B \operatorname sin ^ 2 63 ^ \circ %2B \operatorname cos 63 ^ \circ \operatorname sin 27 ^ \circ ] |
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