Question
If θ is a positive acute angle and cos²
θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?Solution
cos² θ + cos ⁴ θ = 1 cos ⁴ θ = 1 - cos² θ cos ⁴ θ = sin² θ cos² θ = sin² θ/ cos² θ tan² θ = cos² θ tan² θ = cos ⁴ θ tan² θ + tan ⁴ θ = cos² θ + cos ⁴ θ = 1
Bunchy top of sugarcane is caused due to damage from
Pteridophyta are also called:
Denitrification is more in:-
Arrange these soil horizons from top to bottom.
(A) A1
(B) A2
(C) A3
(D) A0
(E) A00
Choose the correct answer from the options given below:
The substance which causes a definite change in genes is called ................?
Paecilomyces lilacinus is a chemical used for the control of __
Bispyribac sodium is commonly used in
In which economic growth model is the transition from stagnation to self-sustained growth emphasized as a central feature for underdeveloped economies?
Gypsum is recommended in cultivation of:
The 12th edition of Ex Ekuverin a bilateral joint military exercise between Indian army and Maldives National Force Commenced at________
Relevant for Exams:
