यदि 7tanx = 4 तो(7sinx-3cosx)/(7sinx+3cosx)=?
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Answer:
Step-by-step explanation:
Given,
7 tanx = 4
=> 7Sinx/Cosx = 4
=> 7Sinx = 4Cosx ---------- (1)
7Sinx - 3Cosx/7Sinx + 3Cosx
Substitute value of 7Sinx obtained in (1) above.
= 4Cosx - 3Cox / 4Cosx + 3Cosx
= Cosx / 7Cosx
= 1/7.
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