13 апр. 2018 г. ... csc(90∘)=1. Explanation: Identities: cotx=1tanx. cscx=1sinx. secx=1cosx. We know: sin(90∘)=1. cos(90∘)=0. tan(90∘) is undefined.
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There are six types of trigonometric functions, which are sine, cosine, tangent, secant, cosecant, and cotangent. To find the exact value of a trigonometric ...
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3 февр. 2020 г. ... Cos 90° + cot 45º = (Type an exact answer, using radicals as needed. Rationalize all denominators.) O B. The answer is undefined. please show me ...
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The value of cos 90 is 0. We can see from the graph, the value of cos 90 reaches 0 on the x-axis. We know, cos = base/hypotenuse.
www.aakash.ac.in9 февр. 2021 г. ... Click here to get an answer to your question ✍️ Write down the exact value of: a) cos 90 b) sin 90 c) tan 0.
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The value of tan 90 degrees is undefined. The tangent of an angle is equal to the ratio of sine and cosine of the same angle. Learn how to derive the exact ...
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The value of cos 90 degrees is 0. Cos 90 degrees can also be expressed using the equivalent of the given angle (90 degrees) in radians (1.57079 . . .) We know, ...
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5 авг. 2021 г. ... [4 cos 90° + i sin 90°)[5( cos 150° + i sin 150°)] = (Type your answer in the form a + bi.) Find the exact value of the expression given below.
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Example 3: using the exact values ; Write down the exact trig value required · cos 90 \cos90 ; Substitute the exact trig value into the required formula/equation ...
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