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Trigonometry


Definition

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

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Problems Solved

Prove the identity $\frac{cosec\left(x\right)}{cot\left(x\right)}=sec\left(x\right)$
Prove the identity $\frac{\cot\left(x\right)}{\sec\left(x\right)}+\sin\left(x\right)=\csc\left(x\right)$
Prove the identity $tan\left(b\right)+cot\left(b\right)=2csc\:\left(2b\right)$
Prove the identity $secx-sinztanx=cosx$
Prove the identity $\cot\left(x\right)\csc\left(x\right)=\frac{\csc\left(x\right)^2-1}{\cos\left(x\right)}$
Prove the identity $\frac{\csc x}{\sin\left(x\right)}\:-1=\cot^2X$
Prove the identity $\frac{cos\:A.\:sec\:A}{tan\:A}=cot\:A$
Prove the identity $sin\:x\:=\:\frac{1}{csc\:x}$

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