MAT 150 FINAL TEST PAPER 2026 SOLVED QUESTIONS AND CORRECT ANSWERS VERIFIED GRADED A+

MAT 150 FINAL TEST PAPER 2026 SOLVED
QUESTIONS AND CORRECT ANSWERS
VERIFIED GRADED A+

◉ sin(-t) =
csc(-t) =. Answer: -sin(t)
-csc(t)


◉ tan(-t) =
cot(-t) =. Answer: -tan(t)
-cot(t)


◉ sin² 𝜃 + cos² 𝜃 =. Answer: 1


◉ 1 + cot²𝜃 =. Answer: csc²𝜃


◉ tan²𝜃 + 1 =. Answer: sec²𝜃


◉ sin(90- 𝜃) aka sin(π/2 - 𝜃). Answer: cos(𝜃)


◉ cos(90-𝜃) aka cos(π/2 - 𝜃). Answer: sin(𝜃)

, ◉ tan(90 - 𝜃) aka tan(π/2 - 𝜃). Answer: cot(𝜃)


◉ cot(90 - 𝜃) aka cot(π/2 - 𝜃). Answer: tan(𝜃)


◉ sec(90-𝜃) aka sec(π/2 - 𝜃). Answer: csc(𝜃)


◉ sin(2u). Answer: 2sin(u)cos(u)


◉ csc(90-𝜃) aka csc(π/2 - 𝜃). Answer: sec(𝜃)


◉ cos(2u) (3). Answer: cos²(u) - sin²(u)


2cos²(u)-1


1-2sin²(u)


◉ tan(2u). Answer: 2tan(u) / 1-tan²(u)


◉ sin(u/2). Answer: +-√1-cos(u)/2


◉ cos(u/2). Answer: +-√1+cos(u)/2