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Chapter 7: Q.20 (page 473)

Establish the identity:sec(胃)sin(胃)=tan(胃)

Short Answer

Expert verified

We establish the identitysec(胃)sin(胃)=tan(胃)

Step by step solution

01

Given information

We are givensec(胃)sin(胃)

02

Use trigonometric formulassec(θ)=1cos(θ)

We get,

sec(胃)sin(胃)=1cos(胃)sin(胃)=sin(胃)cos(胃)=tan(胃)

03

Conclusion

We establish the identitysec(胃)sin(胃)=tan(胃)

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