If `cos theta=-1/2` and `0^@ lt theta lt 360^@` then the solutions are `a. 60^@, 240^@, b.12

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If \( \cos \theta=-\frac{1}{\sqrt{2}} \) and \( \tan \theta=1,[ \) ...

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The most common value of `theta` which satisfies both the equations `costheta =1/sqrt2 and tant...

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Trigonometry XI Grade: If cosec theta + cot theta = 1/3 then find Cos theta and the quadrant theta..

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If `costheta= 1/2(a+1/a),` show that `cos2theta = 1/2*(a^2 + 1/(a^2))`

If sinalpha=1/2 and cosbeta=1/2, then the value of (alpha+beta) is | 10 | INTRODUCTION TO TRIGo...

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If `cos theta = (2)/(3), \" write the value of \" ((sectheta-1))/((sectheta+1)).`

Given both θ and ϕ are acute angles and sinθ=1/2, cosϕ=1/3, then the value of θ+ϕ belongs to (200...