ASSIGN
Grade 10Trigonometry

New record!

Skill statistics

Points
0
Correct
0
Multiplier
X1
Record
Current session
XP 0
Obrazacoins 0
Current session
XP 0
Obrazacoins 0

You are not logged in

Create a free account to save your progress and get a personalized selection of useful materials.

Create account
What is Paleon?

Settings

Pause

Practice duration

Time per question

Mistakes

Mistakes made during practice will appear here.

Skill mastery level

About this skill

Reduction formulas

{"buttons":[],"questions":[{"text":"$\\cos(90^\\circ-\\alpha)$?","answer":0,"explanation":"$\\cos(90^\\circ-\\alpha)$ = $\\sin \\alpha$","correct_text":"$\\sin \\alpha$","buttons":["$\\sin \\alpha$","$\\cos \\alpha$","$-\\sin \\alpha$","$-\\cos \\alpha$"]},{"text":"$\\cos(90^\\circ+\\alpha)$?","answer":0,"explanation":"$\\cos(90^\\circ+\\alpha)$=$-\\sin \\alpha$","correct_text":"$-\\sin \\alpha$","buttons":["$-\\sin \\alpha$","$\\sin \\alpha$","$-\\cos \\alpha$","$\\cos \\alpha$"]},{"text":"$\\cos(180^\\circ-\\alpha)$?","answer":0,"explanation":"$\\cos(180^\\circ-\\alpha)$=$-\\cos \\alpha$","correct_text":"$-\\cos \\alpha$","buttons":["$-\\cos \\alpha$","$\\cos \\alpha$","$-\\sin \\alpha$","$\\sin \\alpha$"]},{"text":"$\\sin(90^\\circ-\\alpha)$?","answer":0,"explanation":"$\\sin(90^\\circ-\\alpha)$=$\\cos \\alpha$","correct_text":"$\\cos \\alpha$","buttons":["$\\cos \\alpha$","$-\\cos \\alpha$","$-\\sin \\alpha$","$\\sin \\alpha$"]},{"text":"$\\sin(90^\\circ+\\alpha)$?","answer":0,"explanation":"$\\sin(90^\\circ+\\alpha)$=$\\cos \\alpha$","correct_text":"$\\cos \\alpha$","buttons":["$\\cos \\alpha$","$-\\cos \\alpha$","$-\\sin \\alpha$","$\\sin \\alpha$"]},{"text":"$\\sin(180^\\circ-\\alpha)$?","answer":0,"explanation":"$\\sin(180^\\circ-\\alpha)$=$\\sin \\alpha$","correct_text":"$\\sin \\alpha$","buttons":["$\\sin \\alpha$","$-\\sin \\alpha$","$-\\cos \\alpha$","$\\cos \\alpha$"]},{"text":"$\\tg(90^\\circ-\\alpha)$?","answer":0,"explanation":"$\\tg(90^\\circ-\\alpha)$=$\\ctg \\alpha$","correct_text":"$\\ctg \\alpha$","buttons":["$\\ctg \\alpha$","$-\\ctg \\alpha$","$\\tg \\alpha$","$-\\tg \\alpha$"]},{"text":"$\\tg(90^\\circ+\\alpha)$?","answer":0,"explanation":"$\\tg(90^\\circ+\\alpha)$=$-\\ctg \\alpha$","correct_text":"$-\\ctg \\alpha$","buttons":["$-\\ctg \\alpha$","$\\ctg \\alpha$","$\\tg \\alpha$","$-\\tg \\alpha$"]},{"text":"$\\tg(180^\\circ-\\alpha)$?","answer":0,"explanation":"$\\tg(180^\\circ-\\alpha)$=$-\\tg \\alpha$","correct_text":"$-\\tg \\alpha$","buttons":["$-\\tg \\alpha$","$\\tg \\alpha$","$-\\ctg \\alpha$","$\\ctg \\alpha$"]},{"text":"$\\ctg(180^\\circ-\\alpha)$?","answer":0,"explanation":"$\\ctg(180^\\circ-\\alpha)$=$-\\ctg \\alpha$","correct_text":"$-\\ctg \\alpha$","buttons":["$-\\ctg \\alpha$","$\\ctg \\alpha$","$-\\tg \\alpha$","$\\tg \\alpha$"]},{"text":"$\\ctg(90^\\circ+\\alpha)$?","answer":0,"explanation":"$\\ctg(90^\\circ+\\alpha)$=$-\\tg \\alpha$","correct_text":"$-\\tg \\alpha$","buttons":["$-\\tg \\alpha$","$\\tg \\alpha$","$-\\ctg \\alpha$","$\\ctg \\alpha$"]},{"text":"$\\ctg(90^\\circ-\\alpha)$?","answer":0,"explanation":"$\\ctg(90^\\circ-\\alpha)$=$\\tg \\alpha$","correct_text":"$\\tg \\alpha$","buttons":["$\\tg \\alpha$","$-\\tg \\alpha$","$\\ctg \\alpha$","$-\\ctg \\alpha$"]}],"no_uppercase":true}