SinA=24/25 then cotA=
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answer is in image good luck for future
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Answer:
724
Explanation:
Let t=tanA2
sinA=2tanA21+tan2A2=2t1+t2
cosA=1−tan2A21+tan2A2=1−t21+t2
Given: 7sinA+24cosA=25
⟹7⋅2t1+t2+24⋅1−t21+t2=25
⟹14t+24(1−t2)=25(1+t2)⟹49t2−14t+1=0
⟹(7t−1)2=0⟹t=tanA2=17
tanA=2tanA21−tan2A2=2⋅171−(17)2
⟹tanA=1448=724
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