How to find Theta so cos(Theta) = 1/2 ?

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

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Find the principal solution of the equation cos x=-1/2 | CLASS 12 | TRIGONOMETRIC RATIOS | MATHS...

Evaluate for theta between 0 and 2pi

Q6 | If sinθ – cosθ = 1/2 , then the value of sinθ + cosθ is | If sin theta - cos theta = 1/2 then

Derive an identity for cos(2theta), done fast in 56 seconds

1 - cos(theta) = 1/2 Solve for interval 0 less theta less 2pi

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If `costheta=1/2(a+1/a),` show that : `cos3theta=1/2(a^3+1/a^3)`

Sin theta/1+Cos theta + 1+Cos theta / Sin theta = 2 Cosec theta | Mathematics Class 10 | Identity

sin square theta + cos square theta = 1 How to prove?

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cos theta / 1 + sin theta = 1 - sin theta / cos theta | Trigonometry class 10

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

If `cos theta = 1/2 (a + 1/a),` show that `cos 2theta = 1/2 (a^2 + 1/a^2)`

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