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Question -

Solve:

┬а

4 sin-1x =┬а╬а┬а- cos-1x



Answer -

4sin-1x+cos-1x=╬а

3sin-1x+sin-1x+cos-1x=╬а

3sin-1x=╬а/2┬а[sin-1x+cos-1x=╬а/2]

sin-1x=╬а/6

x =┬аsin╬а/6=0.5

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