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Mishraebook 12rs
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Bahut easy hua ab percentage fraction value yaad Krna.....bas dekhe or yaad kare or zindagi bhar yaad rakheπ
Only 12rs
https://t.me/Jaishreeganesh888
Bahut easy hua ab percentage fraction value yaad Krna.....bas dekhe or yaad kare or zindagi bhar yaad rakheπ
Only 12rs
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Forwarded from Maths Tricks & formulas (Megha)
90rsββ
Only 20rsβ β
Do practice a lot and check ur calculation speed and accuracy βΊοΈ
Offer limited π
500 Questions for practice
Check your calculation speed
https://t.me/Jaishreeganesh888
Only 20rsβ β
Do practice a lot and check ur calculation speed and accuracy βΊοΈ
Offer limited π
500 Questions for practice
Check your calculation speed
https://t.me/Jaishreeganesh888
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βStill scared of percentages? π
Let me show you how easy it actually is π
π‘ Quick Percentage Trick
π Example: Find 20% of 250
Step 1: 10% of 250 = 25
Step 2: 20% = 2 Γ 25
β¨ Final Answer = 50
π₯ Another Example
π Find 15% of 200
Step 1: 10% = 20
Step 2: 5% = Half of 10% = 10
β¨ Answer = 30
β‘ Pro Trick (Game Changer)
π Find 25% of any number
π‘ Just divide by 4
π 25% of 800 = 200
π― Why This Matters?
Most people: β Fear percentages
β Use calculators
β Waste time
But you can: β Solve in seconds
β Build confidence
β Think faster than others
π¬ Final Thought
βMath isnβt difficultβ¦
Itβs just taught in a complicated way...
Let me show you how easy it actually is π
π‘ Quick Percentage Trick
π Example: Find 20% of 250
Step 1: 10% of 250 = 25
Step 2: 20% = 2 Γ 25
β¨ Final Answer = 50
π₯ Another Example
π Find 15% of 200
Step 1: 10% = 20
Step 2: 5% = Half of 10% = 10
β¨ Answer = 30
β‘ Pro Trick (Game Changer)
π Find 25% of any number
π‘ Just divide by 4
π 25% of 800 = 200
π― Why This Matters?
Most people: β Fear percentages
β Use calculators
β Waste time
But you can: β Solve in seconds
β Build confidence
β Think faster than others
π¬ Final Thought
βMath isnβt difficultβ¦
Itβs just taught in a complicated way...
β€5π1π₯°1
π₯ Trigonometry Made Easy: Find Values of Any Angle in Seconds!
Most students struggle with angles like 125Β°, 225Β°, 335Β° π
But hereβs a super easy trick π
π‘ STEP 1: Break the angle
Convert angle into:
π (Multiple of 90Β° or 180Β°) Β± Acute Angle
Examples:
125Β° = 90Β° + 35Β°
225Β° = 180Β° + 45Β°
335Β° = 360Β° - 25Β°
π‘ STEP 2: Use reference angle
π Ignore big angle, focus on small angle (35Β°, 45Β°, 25Β°)
π‘ STEP 3: Apply sign using quadrant trick
Quadrant
Sign Rule
0Β°β90Β°
All +
90Β°β180Β°
sin +
180Β°β270Β°
tan +
270Β°β360Β°
cos +
π― Examples:
π sin(125Β°) = sin(90Β° + 35Β°) = cos(35Β°) βοΈ (+ sign)
π cos(225Β°) = cos(180Β° + 45Β°) = -cos(45Β°) = -1/β2 β
π tan(335Β°) = tan(360Β° - 25Β°) = -tan(25Β°) β
π§ Shortcut Formula (Golden Rule)
\sin(90^\circ+\theta)=\cos\theta,\quad \cos(90^\circ+\theta)=-\sin\theta,\quad \tan(180^\circ+\theta)=\tan\theta
π₯ Pro Tip:
π Just remember:
90Β° β swap (sin β cos)
180Β° β sign change
360Β° β same value, sign depends
π Conclusion:
Now you can solve ANY angle in seconds β‘
No need to memorize everything!
Most students struggle with angles like 125Β°, 225Β°, 335Β° π
But hereβs a super easy trick π
π‘ STEP 1: Break the angle
Convert angle into:
π (Multiple of 90Β° or 180Β°) Β± Acute Angle
Examples:
125Β° = 90Β° + 35Β°
225Β° = 180Β° + 45Β°
335Β° = 360Β° - 25Β°
π‘ STEP 2: Use reference angle
π Ignore big angle, focus on small angle (35Β°, 45Β°, 25Β°)
π‘ STEP 3: Apply sign using quadrant trick
Quadrant
Sign Rule
0Β°β90Β°
All +
90Β°β180Β°
sin +
180Β°β270Β°
tan +
270Β°β360Β°
cos +
π― Examples:
π sin(125Β°) = sin(90Β° + 35Β°) = cos(35Β°) βοΈ (+ sign)
π cos(225Β°) = cos(180Β° + 45Β°) = -cos(45Β°) = -1/β2 β
π tan(335Β°) = tan(360Β° - 25Β°) = -tan(25Β°) β
π§ Shortcut Formula (Golden Rule)
\sin(90^\circ+\theta)=\cos\theta,\quad \cos(90^\circ+\theta)=-\sin\theta,\quad \tan(180^\circ+\theta)=\tan\theta
π₯ Pro Tip:
π Just remember:
90Β° β swap (sin β cos)
180Β° β sign change
360Β° β same value, sign depends
π Conclusion:
Now you can solve ANY angle in seconds β‘
No need to memorize everything!
β€4