Given sec 8= 190 √6 3 what is cos?

Q: Q: If a cose - b sin 0 = c, Prove that a sin e + b cos e =+Va?+ b² – c² .

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Q: Quadrilateral ABCD is inscribed in a circle, and the lengths of its sides are AB = 5, BC = 9, CD =…

A: GivenThe length of the sides of the quadrilateral  are and  and the given diagram is Use the law of…

Q: COs so Sinø dø

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Q: х х sin sin2 cos 2 dx. 2

A: Given integral : I=∫0π2  sin2x2  cos2x2   dx

Q: Use Cosla-B) to denive a fomula por Sin (a-F). (Hint: use co-Function And Without USing a calculator…

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Q: 8. Show that sin a (1+ tan a) + cos a (1 + cot a) = sec a + csc a.

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Q: 2 1-cos 2z Is equivalent to: O cos? x O sin? O sec? x csc2 x

A: Solve  2/1-cos2x

Q: 0 cos n0 do

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Q: What is cos z

A: From the given figure XZ=45 and YZ=36  Using Pythagoras Theorem          cos z=adjacent…

Q: 0 L t 912

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Q: From the formula of sin (A + B), deduce the formulae of cos(A+ B) and cos (A- B).

A: To derive formula cos(A+B) & cos(A-B) using formula of sin(A+B)

Q: If secα= 11/ 3​, then what is cosα

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Q: For part b can you please explain how sin(k) would be the same as cos(k)

A: sin(k) and cos(k) are same in sense of there range, since the range of these function is same.…

Q: What is the value of sin 30+ cos 30

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Q: Which is equal to cos? 2π 3 2/5455 3 O cos O sin 2T 3 O cos O sin

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Q: Simplify: sin 0 cos 30 + cos 0 sin 30 A. cos 40 B. sin 40 C. cos 20 D. sin 20 O A OB OC O D

A: Using Trigonometry identities,