JEE Main Trigonometry — practice questions
6 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main Trigonometry in the app →In the figure, the side $a$ is resolved into projections of the other two sides on the base. Which projection For a triangle with sides $a,b,c$ and semiperimeter $s$, Heron's formula for its area $\Delta$ is
$ is:The identity $ in 2A$ equals:The general solution of $\cos x = 1/2$ is: