Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. To solve the questions of trigonometry first, we need to learn all the trigonometric formulas....
Many of us are reluctant to speak English as they fear that they would go wrong. English is quite a confusing language, and things go into place if we have a basic knowledge of grammar. So here’s...
When the sum of two angles=90 degrees, they are called complementary angles. We can use following formula →sin(90-θ)=cosθ,cos(90-θ)=sinθ,tan(90-θ)=cotθ,cosec(90-θ)=secθ,sec(90-θ)=cosecθ We...