Answer it............
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tanθ=a/b=sinθ=cosθ
a×a⁻b×b a²⁻b²
⁻⁻⁻⁻⁻⁻⁻ = ⁻⁻⁻⁻⁻⁻ , Hence Proved...!
a×a⁻b×b a²⁺b²
a×a⁻b×b a²⁻b²
⁻⁻⁻⁻⁻⁻⁻ = ⁻⁻⁻⁻⁻⁻ , Hence Proved...!
a×a⁻b×b a²⁺b²
jahanvi7:
Thanks
Divide by cos@ in num. and deno. in lhs.. then QED
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