Write the product as a sum: 10 sin(13y)cos(3y) = Preview
Use the sum-to-product formulas to write the sum as a product. sin 7θ − sin 3θ cos 2θ cos 4θ Use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angles. sin4(2x)
10. Rewrite the product sin 3x cos 2x as a sum. Answer: 11. Find the exact value of cos 75º cos 15° + sin 75° sin 15° to be one or a weerator
Write the sum as a product: cos(15.6y)+cos(10.8y)=
Write the sum as a product: sin(15.12) - sin(10.92) = Preview
Question 7 Write the product as a sum or difference of trigonometric functions. 2 sin 5x sin 13x 1 (cos 18x + cos 8x) cos 8x - cos 18x sin 18x+ sin 8x cos 18x + cos 8x Question 8 3 pts The function graphed is of the formy a sin bx or y = a cosbx, whereb > 0. Determine the equation of the graph. M + M 4. y=-5 sin (3x) y-.5 cos (3x) y-scos scos () y...
as a sum: Write the product 16 sin(226) sin(96) = Preview
Use sum-to-product identities to rewrite the expression as a product. cos 50° + cos 36° O A. 2 cos 43° cos 7° OB. 2 cos 43° sin 7° OC. 2 sin 43° cos 7° OD. - 2 sin 43° sin 7°
Express the given product as a sum containing only sines or cosines. sin (80) cos (50) sin (80) cos (50) = (Simplify your answer, including any radicals. Use integers or fractions for any n
The only ideas that can be used include: area ABCI-RA2(A+B+C-lpi), the Pythagorean theorem: Cos c cos a cos b. Vectors-dot product cross product, sin A-sin a/sin c; cos A-cos a sin b/sin c; spherical law of sines, spherical law of cosines for sides and spherical law of cosines for angles Let r be the radius of the incircle of triangle ABC on the unit sphere S. If all the angles in triangle ABC are right angles, what is the exact...