- #1
sambarbarian
- 68
- 0
i understand how sin90-theta is cos , but i am having trouble with sin 90+theta = cos ...please explain
sambarbarian said:yes i meant cos theta
im using the basic trig identities ... in my textbook we have a table which denotes ...
sin(90-theta) = cos heta
sin(90+theta) = cos theta
sin(180-theta) = sin theta
sin(180+theta) = - sin
and so on..
i was also confused because trig is applicable only in right angles ... i can't make sense of any except the first .
how was my logic wrong
The equation "Solving Sin (90+Theta) = Cos - Explanation" is a trigonometric equation that involves solving for the variable Theta.
The purpose of solving this equation is to find the value of Theta that satisfies the equation and represents a solution to a given problem.
The process for solving this equation involves using trigonometric identities and algebraic manipulation to simplify the equation and isolate the variable Theta on one side of the equation.
Yes, there are a few special cases and restrictions to keep in mind when solving this equation. These include making sure the values of Theta and the trigonometric functions are within their respective domains, and being aware of any identities that may need to be used in the process.
You can check if your solution is correct by plugging your answer back into the original equation and seeing if it satisfies the equation. You can also graph the equation and your solution to visually confirm if they intersect at the given point.