Class 11th Maths – RD Sharma Chapter 7 : Value of Trigonometric Functions at Sum or Difference of Angles – Fill in the Blanks Type Questions (FBQs) Solutions
The maximum value of 3 cos x + 4 sin x + 5 is ……………………………………….. Watch Solution
The minimum value of 4 cos x – 3 sin x + 7 is …………………………………………. Watch Solution
If sin θ + cos θ = 1, then the value of sin 2θ is …………………………… Watch Solution
If A – B = π/4, then (1 + tan A)(1 – tan B) = …………………………………………….. Watch Solution
If A + B = π/4, then (1 + tan A)(1 + tan B) = …………………………………………….. Watch Solution
If cos (A – B) = 3/5 and tan A tan B = 2, then sin A sin B = ………………………………….. Watch Solution
If x/cos θ = y/cos(θ – 2π/3) = z/cos(θ + 2π/3), then x + y + z = …………………………………… Watch Solution
The value of cot(π/4 + x) cot(π/4 – x) is …………………………………………….. Watch Solution
If sin x cos y = 1/4 and 3 tan x = 4 tan y, then sin(x – y) is equal to ……………………………………. Watch Solution
If cos²(π/6 + x) – sin²(π/6 – x) = k cos 2x then k = ……………………………………….. Watch Solution
If tan x = 1/2 and tan y = 1/3, then the value of x + y is ……………………………………. Watch Solution
The value of tan 5x tan 3x tan 2x – tan 5x + tan 3x + tan 2x is ……………………………………. Watch Solution
The value of cos(π/12) – sin(π/2) is ……………………………………. Watch Solution
Chapter 7: Value of Trigonometric Functions at Sum or Difference of Angles – R. D. Sharma Class 11th Maths