Asked by mercy
                given that sin (90-5 t ta )=cos180 - t ta...find d value of t ta
            
            
        Answers
                    Answered by
            Reiny
            
    What is "t ta" ??
Where does "d" enter the picture?
    
Where does "d" enter the picture?
                    Answered by
            Reiny
            
    I will assume that by t ta you mean Ø
so sin(90 - 5Ø) = cos(180 - Ø)
but sin(90 - 5Ø) = cos Ø
just like sin(90 - 30) = cos30
so we have
cos(5Ø) = cos(180-Ø)
take arccos of both sides
5Ø = 180-Ø
6Ø = 180
Ø = 30
    
so sin(90 - 5Ø) = cos(180 - Ø)
but sin(90 - 5Ø) = cos Ø
just like sin(90 - 30) = cos30
so we have
cos(5Ø) = cos(180-Ø)
take arccos of both sides
5Ø = 180-Ø
6Ø = 180
Ø = 30
                    Answered by
            Writeacher
            
    Ø is the math symbol called "theta"
It comes from the 8th letter in the Greek alphabet:
http://www.omniglot.com/images/writing/classical_attic.gif
    
It comes from the 8th letter in the Greek alphabet:
http://www.omniglot.com/images/writing/classical_attic.gif
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.