Write the ratios for sin A and cos A. A. 26 10 B 24

Q: Use the Law of Sines to find x. Let a = 85, ZA = 34.6°.

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Q: Find the exact value by using a sum or difference identity. sin 165°

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Q: a. sin(0) b. cos(0) c. sec(0) d. csc(0) cot(0) е.

A: Consider a right-angled triangle ABC and a,b,c are the sides of ∆ABC.

Q: the following as a product of trigonometric functions. sin pi/11 + sin pi/4

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

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Q: If sinA=4/5 and cosB= -5/13, where A belongs to QI and B belongs to QIII, then find sin(A+B). How do…

A: Given that Where A in quadrant 1 and B in quadrant III

Q: a sin arctan b+1 Let a and b are some positive numbers. Find in terms of a and b.

A: Recall: sin(arctan(x))=x1+x2 We have, x=ab+1

Q: Use the figure shown to the right and the given values to find c, sin 0, and tan 0. α a = 8, b = 15

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Q: Complete the table, which shows the EXACT values (if possible) of the sine, the cosine and the…

A: To complete the tableExplanation:Let us take 04,14,24,34,44 =0, 12,12,32,1which gives the value of…

Q: Evaluate the sin2θ, cos2θ, and tan2θ, where cosθ = 5/13, with θ in Quadrant IV.

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Q: 2. Give the exact value of the principle root in radians of "simplify the radical 3+ 2/2 sin 0 = 5.

A: Given,

Q: Find the EXACT value of sin(195°) using an addition or subtraction formula.

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Q: Find the exact value of cos(a - B) if sin a = and a is in quadrant II and cot ß 12 and ß is in…

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.