Question

If sin^2 60° + cos^2 (3x -9°) = 1

Find x​

Answer 1

Answer:

We know that sin^2y +cos^2y= 1. Here, y= 60° i.e 3x-9= 60= 3x= 69. x = 23. Hence the value of x is 23°. Hope this helps you

Answer 2

Answer:

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