SOLUTION: How would you prove: tanAsinA+cosA=secA??

Algebra ->  Trigonometry-basics -> SOLUTION: How would you prove: tanAsinA+cosA=secA??      Log On


   

Question 415771: How would you prove: tanAsinA+cosA=secA??
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

tanAsinA+cosA=secA

%28sinA%2FcosA%29sinA+%2B+cosA+=+%281%2FcosA%29    |multiplying thru with cosA

%28sinA%2AcosA%2FcosA%29sinA+%2B+cosA%2AcosA+=+%281cosA%2FcosA%29

sinA%5E2+%2B+cosA%5E2+=+1

         +1+=+1