How do i simplify the following:
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Hello, mx-! Simplify: . Recall that an inverse trig expression is just "some angle." So we have: . , where: . . . This means: . is in a right triangle with: Using Pythagorus: . . . Hence: . We want: . Substitute [2] and [1]: . Therefore: .
Originally Posted by mx- How do i simplify the following: Realize that is an angle, whose value is providing that . Mathematically, Now use double angle formula: where and hence for Roy
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