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Trigonometry


Definition

Trigonometry is a branch of mathematics that studies relationships involving lengths and angles of triangles.


Problems Solved

Prove the identity $\frac{cosx}{sinxcotx}=1$
Prove the identity $\csc x=\sin x+\cos^2x\cdot\csc x$
Prove the identity $sin\left(x\right)\cdot sec\left(x\right)=\tan\left(x\right)$
Prove the identity $\frac{sinx}{\:1+cosx}=\frac{1-cosx}{sinx}$
Prove the identity $\sec^2-1=\tan^2$
Prove the identity $\frac{\csc^2\left(x\right)}{\cot\left(x\right)}=sec\left(x\right)csc\left(x\right)$
Prove the identity $cscx-cotxcosx=sinx$

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Trigonometric Identities

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