Use the product-to-sum identities to rewrite the following expression as a sum or difference. 3sin(80°) cos(65') Answer 3sin(80°)cos(65") =

Q: 20 cos( – 240°) - find the exact value of the expression: 30 cot( – 240°) -

A: Solving the problem by the method of trigonometric formula.

Q: Simplify the following quantity. Draw a triangle in an appropriate quadrant. -1 (given x> 0) cos 2…

A:

Q: Use the sin/cos complementary relationship to determine which of the following expression is also…

A:

Q: Simplify the expression sin 29.5° cos 29.5°. 8

A: Given18sin(29.5°)cos(29.5°)we know that double angle identitiessin(2θ)=2sinθ.cosθ

Q: Use the product-to-sum formula to find the exact value: If 2sin 52.5° sin 97.5° V2 + VĀ then 2 A

A: We know that , 2sin (A)sin (B) = cos( A - B ) - cos( A+B)

Q: due north celative to due east at nautical m hour.) (a) If the

A: Speed of the ship relative to the water = 4 knots (North) relative to the water. The current…

Q: 2. Evaluate the following expressions, using a calculator if necessary: a. tan 46° b. sin 49°12' c.…

A: To calculate the following values

Q: Simplify the expression: sin(θ + 30°) + cos(θ + 60°). Prove the identity: tan ½θ + cot ½θ = 2 csc θ…

A:

Q: Write the following in terms of sin 0 and cos 0 and then simplify if possible. sec 0 tan e

A:

Q: Evaluate the following expressions. Cos(72 degrees) Sin(11pi/7) Tan(56 degrees) Csc(1 degree)…

A: given expression is cos72°sin11π7tan56°csc1°cotπ12 evaluate the expression