Solve: 786×12.
We have, 786×12
To solve the following equation we need to cancel the common factors:
786×12=393.
Hence, the answer is 393.
{1(sec2θ−cos2θ)+1(cosec2θ−sin2θ)}(sin2θcos2θ)=1−sin2θcos2θ2+sin2θcos2θ
Determine whether the following numbers are in proportion or not:
13,14,16,17