Find the most general value of θ satisfying the equation tan θ = -1 and cos θ = 1/√2 .
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The six trigonometric functions for any acute angle of a right-angle triangle ABC as shown in figure as you know trigonometry deals with right angles. The right-angle triangle is the one with an angle of 90. The opposite side of the right angle is called hypotenuse. The other two sides are adjacent and opposite
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