Write the ratio for cos B. 61 60 C11

Q: D A 80 °/y 1 B140°

A: From triangle DEF, we get,  10° + x = 80° + y  So, x - y = 70° ... (i)

Q: Give the exact value of the following: 3 4 cos (-²) = [

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Q: 5. 75° \55%

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Q: Cosx

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Q: 20 60°

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Q: 6 5. 4. 7 38 8. 6. 2.

A: I am going to solve the given problem by using some simple calculus to get the required result.

Q: Converting 1530 degrees to radians will correspond to which value? 19n 3 201 B 3 29Tt

A: The value of θ° to radians is given by        ∅ = θ×π180  radians

Q: K 35 M 12 37 L

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Q: tan-+cotx%= 27 /2

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Q: GH 135° G (종

A: To find - measure of arc GH

Q: Simplify 525 . V15:7. O 5z° /3 V75z-2 15z'2/3 3z V5

A: Simplify the given expression

Q: 22 18 Find the value of x. Round to the nearest tenth (1 decimal place.)

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Q: Find mDF. 160° C F 44° O 86° O 50° O 72 61°

A: Use the formula for the secants intersection in a circle.

Q: 11. 680 34° (x)

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Q: Which fraction represents the value of cos x? 5.4 in. 8.2 in.. 2.5 in. 6.7 in.

A: A triangle is a polygon having three sides and three vertices. Sum of interior angles of triangle is…

Q: 100° X

A: Let there are ∆ABC, ∆BCD, ∆DEF as per shown in figure. As per given figure, AB=BC, BC=CD, CD=DE,…

Q: Enter an expression equivalent to 64a, in the form c.

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Q: 6. 27° 0.

A: It is known that the value of sinθ in a right angled triangle can be obtained by by sinθ=opposite…

Q: 30° 60% 5"

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Q: Find x. 71° X° to と。 80%

A: X= 100°

Q: Find mZC. 62 5 70° m/C

A: