[{"question":"\u010comu sa rovn\u00e1 sin (x \u00b1 y)?","answers":["cos x * cos y \u00b1 sin x * sin y","sin x * cos y \u00b1 cos x * sin y","sin x \u00b1 cos x * sin y","sin x * \u00b1 sin y"],"correct":"sin x * cos y \u00b1 cos x * sin y","order":"1"},{"question":"\u010comu sa rovn\u00e1 cos (x \u00b1 y)?","answers":["cos x * cos y \u00b1 sin x * sin y","sin x * cos y \u00b1 cos x * sin y","cos x \u00b1 sin y","cos x * cos y \u00b1 sin x"],"correct":"cos x * cos y \u00b1 sin x * sin y","order":"2"},{"question":"\u010comu sa rovn\u00e1 tg (x \u00b1 y)?","answers":["(tg x \u00b1 tg y)\/(1 \u00b1 tg x * tg y)","(tg x \u00b1 tg y)\/(tg x * tg y)","(tg x \u00b1 tg y)\/(1 \u00b1 tg x )","(tg x * tg y \u00b1 1)\/(cotg y \u00b1 cotg x)"],"correct":"(tg x \u00b1 tg y)\/(1 \u00b1 tg x * tg y)","order":"3"},{"question":"\u010comu sa rovn\u00e1 cotg (x \u00b1 y)?","answers":["(tg x \u00b1 tg y)\/(1 \u00b1 tg x * tg y)","(tg x * cotg y \u00b1 1)\/(cotg y \u00b1 cotg x)","(cotg x * cotg y \u00b1 1)\/(tg y \u00b1 tg x)","(cotg x * cotg y \u00b1 1)\/(cotg y \u00b1 cotg x)"],"correct":"(cotg x * cotg y \u00b1 1)\/(cotg y \u00b1 cotg x)","order":"4"},{"question":"\u010comu sa rovn\u00e1 sin (-x)?","answers":["(-sin x)","sin x","sin (-x)","cos x"],"correct":"(-sin x)","order":"5"},{"question":"\u010comu sa rovn\u00e1 cos (-x)?","answers":["(-cos x)","cos x","cos (-x)","sin x"],"correct":"cos x","order":"6"},{"question":"\u010comu sa rovn\u00e1 tg (-x)?","answers":["(-tg x)","tg x","tg (-x)","cotg x"],"correct":"(-tg x)","order":"7"},{"question":"\u010comu sa rovn\u00e1 cotg (-x)?","answers":["(-cotg x)","cotg x","cotg (-x)","tg x"],"correct":"(-cotg x)","order":"8"},{"question":"Ak\u00fd je matematick\u00fd vz\u0165ah medzi s\u00ednusom, kos\u00ednusom a tangensom?","answers":["\u017eiadny","tg = sin\/cos","tg = cos\/sin","tg = sin*cos"],"correct":"tg = sin\/cos","order":"9"},{"question":"Ak\u00fd je matematick\u00fd vz\u0165ah medzi s\u00ednusom, kos\u00ednusom a kotangensom?","answers":["\u017eiadny","cotg = sin\/cos","cotg = cos\/sin","cotg = sin*cos"],"correct":"cotg = cos\/sin","order":"10"}]