4. tan²B + 1 = sec² B

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A: NOTE: Refresh your page if you can't see any equations. . use the formula

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A: 72sin(π5x) =75xnow here there are two curves  y =72sin(π5x) →(1) y=75x  →(2)solving by graphical…

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A: Explanation and solutions is given below....

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A: NOTE: Refresh your page if you can't see any equations. . use the formula

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A: The statement is TRUE  The detailed solution is as follows below:

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