23. Which of the following expressions are defined? Why or why not? (a) sin-(-25 (b) sin-1 3 -1 7 (c) tan-1 100 (d) sec 4 MIN KI

Q: Which expression is equal to cos(6t)?

A: Recall:  cos(2t)=cos2(t)-sin2(t)     Given,   cos(6t)

Q: Is sin-1 x the same thing as1/sin x?

A:

Q: r=2(9+1)sin0

A: Since  Sin (0) = 0

Q: Is (1-sin x) not the same as (sin x - 1)?

A: (x - y) is not same as (y - x), whereas  (x - y) = - (y - x)

Q: epresent 3 sin x + 6 cos x in a form A sin(x + p), use radians for p.

A:

Q: Find the value of cos (570)sin (510) + sin (- 330)cos (- 390)

A:

Q: Assume sin(0) = — 27 where 3 < 0 <TT. Compute sin(). - 46 The angle is in quadrant III✓ √ 1387 46…

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Q: Is sin2(0+1) zero or one?  Please explain

A:

Q: Simplify sin(7 − a) + sin tan(π + a) Select one: a. b. OC. 1 + sina sina + tana tana Od. 1 + tana…

A:

Q: What is the range of 3 sin(4x + II)+ 2 ? O -3, 2] O (-3, 3] O -1, 5] O (-1, 3]

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Q: Evaluate tan (cos-¹(-3)) 5

A:

Q: 8(1 + tan?(a)) da

A: Take out 8 from the integral.

Q: 5. Simplify the expression (a) -1 (b) 1 (c) sin²x (d) - cos² (e) None of these cos²x+ sin x sec² x…

A:

Q: What are the two formulas for tan (A/2)

A: tanA2