Find the exact value of Sin 285 degrees using a sum or difference or formula

Q: to find the 12 Evaluate sin- exact value.

A: Given that

Q: 13π/12 as the sum of two angles and evaluate the sine of the angle using the angle sum

A: Explanation and solutions is given below....

Q: Find the third side in sin

A:

Q: Use a sum or difference formula to find the exact value of the expression sin 80° cos 50° - cos 80°…

A: Our aim is to find the exact value of the expression given below:-sin 80° cos 50° - cos 80° sin 50°…

Q: Find the exact value of sin195o

A: Find the exact value:

Q: How do you find sin 58.75  0 on your calculator?

A: Here, the objective is to find the value of sin58.75° using calculator.

Q: Use a sum or difference formula to find the exact value of the expression sin 195°.

A: Calculation: The given expression is sin195°. Use the sum formula to find the value of the given…

Q: Simplify (a + b)° a sin (180°) + ab sin (270°) + b sin (360°) cos (360°) + (a – b)´ csc (270°) -

A: Please refer the attached image for complete solution.

Q: Find exact values for cach expression using sum and difference, double and half angle, or sum to…

A:

Q: Use a sketch to find the exact value of the expression cos (sin-1 4/5)

A: given expression: cossin-145we have to find the exact value of the expression

Q: Find exact value: use sum or difference formula: (a) sin -15

A: