integration of cos(x-a)/cos x
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Answer:
x. cosa+sina.ln|secx| + c
Step-by-step explanation:
- (cosx.cosa+sinx.sina)/cosx
- cosa+tanx.sina
- since, cosa is constant so integration of dx is taken as x hence the term will be x.cosa
- integration of tanx is |ln secx|and sin a is constant so this term will be sina.ln|secx| + c
- answer will be x. cosa+sina.ln|secx| + c
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