Integral of sin x . sin(cos x)dx solved by Gokul
Substitute cos x by t. Differentiate and proceed with integration.
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Integral problem using trigonometry and substitution method
Find out the integral of sin(ax+b) cos (ax+b) dx
Congruent vs Similar Triangles
Presented by Pranav, Yogesh, Rohit and Aswin Conditions of congruent triangles Corresponding angles are equal. Corresponding sides are equal. Conditions of similar triangles Corresponding angles are equal. Corresponding sides are proportional.
Work and Work Energy Theorem for Variable Forces
Work For constant force For variable force Work Energy Theorem For constant force For variable force
Commercially important alcohols
Quiz What is DNS? What is the role of pyridine in DNS? What anaerobic condition? What will happen to alcohol if it is prepared in presence of air? Which salt gives blue colour to DNS? Give the answers in the comment column.
Reactions of Phenol – part-2
Reactions of phenol Electrophilic substitution reaction Nitration Halogenation Sulphonation Alkylation Kolbe’s reaction Reaction with zinc dust Reimer Tiemann Reaction Oxidation
Did anyone hurt you?
There was a short story about a donkey! One day the donkey fell down in a pit and started crying in agony and seeking for a help. The nearby people was disturbed by its noise, yet, really wanted to help the donkey to bring it up to a safe place. They tried to their maximum…
Surface Disinfectant Spray
The world is full of enemies. Some are visible, and roaming in our vicinity and most of them are invisible. After the release of lock down everyone has started travelling here and there with face masks and COVID-19 protective kit with lot of pending tasks and priorities. Most of us think that mere washing hands…