diff --git a/frontend/js/labs/trigcircle.js b/frontend/js/labs/trigcircle.js
index 66406e8..0af8ea6 100644
--- a/frontend/js/labs/trigcircle.js
+++ b/frontend/js/labs/trigcircle.js
@@ -1169,6 +1169,31 @@ if (typeof window !== 'undefined') window.TrigCircleSim = TrigCircleSim;
}
function trigEqKey(e) { if (e && (e.key === 'Enter' || e.keyCode === 13)) trigSolve(); }
+ /* ── Таблица значений (первая четверть) — строится один раз, KaTeX ── */
+ function _trigBuildValueTable() {
+ const el = document.getElementById('trig-table');
+ if (!el || el.dataset.built) return;
+ const cols = [['sin', '#EF476F'], ['cos', '#06D6E0'], ['tg', '#FFD166'], ['ctg', '#7BF5A4']];
+ const head = '| α | ' +
+ cols.map(([n, c]) => `${n} | `).join('') + '
|---|
';
+ const body = [0, 30, 45, 60, 90].map(deg => {
+ const a = deg * Math.PI / 180, sn = Math.sin(a), cs = Math.cos(a);
+ const tn = Math.abs(cs) > 1e-9 ? sn / cs : undefined;
+ const ct = Math.abs(sn) > 1e-9 ? cs / sn : undefined;
+ const cell = v => `${_tex(_latexVal(v))} | `;
+ return `| ${deg}° | ${cell(sn)}${cell(cs)}${cell(tn)}${cell(ct)}
`;
+ }).join('');
+ el.innerHTML = ``;
+ el.dataset.built = '1';
+ }
+ function trigToggleTable(rowEl) {
+ const on = rowEl.classList.toggle('active');
+ const el = document.getElementById('trig-table');
+ if (!el) return;
+ if (on) { _trigBuildValueTable(); el.style.display = ''; if (trigSim) _trigUpdateUI(trigSim.stats()); }
+ else el.style.display = 'none';
+ }
+
function _trigUpdateUI(s) {
const _f = v => {
if (v === undefined) return '—';
@@ -1247,6 +1272,15 @@ if (typeof window !== 'undefined') window.TrigCircleSim = TrigCircleSim;
}
}
+ // Подсветка строки таблицы значений (по опорному острому углу)
+ const tbl = document.getElementById('trig-table');
+ if (tbl && tbl.dataset.built && typeof tbl.querySelectorAll === 'function') {
+ const beta = Math.round(s.refDeg);
+ tbl.querySelectorAll('tr[data-deg]').forEach(tr => {
+ tr.style.background = (Number(tr.dataset.deg) === beta) ? 'rgba(155,93,229,0.18)' : '';
+ });
+ }
+
// Stats bar — значения тоже KaTeX (дроби/корни)
document.getElementById('trigbar-angle').textContent = degStr;
setMathVal('trigbar-sin', s.sin);
diff --git a/frontend/labs-bodies.html b/frontend/labs-bodies.html
index 9dcffdd..f736cc1 100644
--- a/frontend/labs-bodies.html
+++ b/frontend/labs-bodies.html
@@ -599,6 +599,15 @@
+
+
+
+
Табличные углы