from the adjacent figure<br />i)prove that sin²alpha+cos²alpha=sin²theta+cos²theta<br />ii) prove that sec²alpha-tan²alpha=sec²theta-tan²theta
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From the adjacent figure, find the values of sin θ,cosθ and tan θ iil sinα,cosα and tanα sin2θ, cos2θ and tan2θ · Prove 1+tan2θtan3θ+1+ cot2θ ...
Missing: br sin²alpha+ cos²alpha= sin²theta+ cos²theta< sec²alpha- tan²alpha= sec²theta- tan²theta
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