Ans. Sel. Prove by geometrical method 1+ tan2 A seA – InterviewSolution

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1.	Ans. Sel. Prove by geometrical method 1+ tan2 A seA
Answer» Form a right triangle with angleθ. Letybe the side oppositeθ,xbe the side adjacentθ, and label the hypotenuser, wherer²=x²+y²(by theorem of Pythagoras

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