Question
Which one of the following Venn diagrams represents the
best relationship between Snake, Lizard, and Reptiles?Solution
Snake is different from Lizard but both are reptiles.
If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is
(tan 5x - tan 3x - tan 2x) = ?
If tan 4θ = cot 14θ, then find the value of cos 9θ.
- If sin (a + b) = (√3/2) and cos (a – b) = (√3/2), then find sin a.
If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan17 θ + cot19 θ.
Solve the following trigonometric expression:
- If sin 2 Â A + sin 4 Â A = 1 and cos 2 Â A + cos 4 Â A = 1, then find the value of (sin 4 Â A - cos ...
If (5sinx - cosx) = 2√2sinx, then find the value of 'tanx'
If A, B and C are angles of triangle, then sin2A + sin2B + sin2C– 2cosA cosB cosC
sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?