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O.115 kuosin P, sin R, sec P and sec7. If cot e , evaluate(1 + sin 0) (1 - sin o)(1) (1 + cos 0) (1 - cos 0) |
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Answer» Answer: For an angle in the second quadrant the point P has negative x coordinate and positive y coordinate. ... THEREFORE: In Quadrant IV, cos(θ) > 0, sin(θ) < 0 and tan(θ) < 0 (Cosine positive). The quadrants in which cosine, sine and tangent are positive are often REMEMBERED using a favorite mnemonic |
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