Suppose that θ is an angle in a right triangle, and sin(θ)=4/5. Sketch a possible right triangle containing θ, and then find the following. Express your answers as fractions. cos(θ) equals: tan(θ) equals:  sec(θ) equals:

Q: sin 180° tan 315º Cos 0°

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Q: Suppose θ is an angle such that cos θ =3/4 Evaluate cos(2θ).

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Q: Use the sin/cos complementary relationship to determine which of the following expression is also…

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Q: Find two exact values of θ in degrees (0° ≤ θ < 360°) for which cos θ = −√32.Do not use a…

A: Given information: cosθ=-32, 0≤θ≤360° Calculation: The cosine function is negative in second and…

Q: Find angle A rounded to the nearest tenth of a degree when cos A = 0.4104.

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Q: Evaluate the following expressions. Your answer must be an angle in exact radians. 2 (a) sec V3 (b)…

A: (a) Let,y=sec-123 So, secy=23

Q: Simplify the following number to rectangular form: cos(i lin (5)) + sin(i lin(i))

A: Solution:

Q: Please show how to draw this on the quadrant.

A: Given:

Q: Draw a triangle so that the tan theta/2=u. the hypotnuse of the triangle has a length of (square…

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Q: (-1/3,1/5) Find cos of the angle

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Q: Sketch the angle and write the sec and tan of the angle if the terminal side of the angle passes…

A: NOTE: Refresh your page if you can't see any equations. . the given point is so here we have

Q: V2 Evaluate arcsin 2 a. in radians b. in degrees

A: Given : arcsin-22 To find : Solution of given expression in radians and degrees ?

Q: If cos θ = 3/4, what is cos2θ?

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Q: Write cos(0) in terms of sin(0) if 0 is an angle in quadrant II.

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Q: Let a and B be first quadrant angles with cos(a) and sin(B) = 8 Find cos(a – B).

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