Introduction to Trigonometry
Without using trigonometric tables, prove that:tan266o−cot224o=0
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If a sec θ+b tan θ=1 and a2 sec2θ−b2tan2θ=5, than a2b2+4a2
Using trigonometric identities 5cosec2θ−5cot2θ−3 expressed as an integer is
Find the value of the following from the figure given:tanθ
From the given figure, find the value of the following: sinC
In ΔABC, if acosA=bcos B, then show that it is an isosceles triangle.