M. Write sin 7x + sin 3x as a product. N. Evaluate without using calculator. a. -2 sin 52.5° sin 97.5° b. cos 255° - cos 195° O. Sketch the graph of y = -2sin (3x – a) P. Determine the exact value of csc ( cos-1- cos (tan-)

Q: Simplify the following expressions. 1-sinx a. COSX CosX 1-sinx b. csce+cot@ csce-cot@

A:

Q: cos 2.

A: Using the trigonometric formula,  cos2θ=2cos2θ-1⇒cos2θ+1=2cos2θ⇒cos2θ+12=cos2θ⇒cos2θ=cos2θ+12 Taking…

Q: express interms of sine and cosine only? C. cosx sin x 3. What is sin B. D. sinx-cosX A.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Simplify (1 – sin² 0)(1+ tan² 0) b.tan e а.1 c.-csce d.-1

A: The answer is found in step-2

Q: Simpliy Hhe fAllowing Cos 180°. Sin 25. Cos 80 Sin 170°. fan135 tan 225 . Sin (g0°40) + Cos (180 ).…

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Q: Sin63°.cos135°tan315° Sin240°-tan150°.cos153°

A:

Q: Graph y = sin-1 x + cos-1 x in a [-2, 2, 1] by [0, 3, 1] viewing rectangle. What appears to be true…

A: y=sin-1x+cos-1x The graph is,

Q: -Sin(60° ) tan(210°)/cos 135° Simplify

A: find the values of sin (60°), tan(210°) and cos(135°) and plug in to given expression as following:-

Q: b. What is the range of y = sin-12x? %3D

A: