please answer the question 22
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we know that cosΦ=1/secΦ =1/2 (given)
so cosΦ = 1/2,secΦ= 2
hence cosΦ+secΦ = 1+1/2 = 3/2
so cosΦ = 1/2,secΦ= 2
hence cosΦ+secΦ = 1+1/2 = 3/2
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