English, asked by alokkelly674, 6 months ago

SinA=24/25 then cotA=

Answers

Answered by deepankarraj008

1

answer is in image good luck for future

Attachments:

Answered by siddharthkiller

0

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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