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To simplify (1 + sin⁴ A – cos⁴ A) cosec² A Use cos4 A = (1- sin² A) ² = 1-2 sin² A + sin4 A. Substitute: 1+ sin A4 -cos4 A = 2 sin² A. The expression becomes: (2 sin² A) csc² A = 2 sin² A. (1 /sin2 A) = 2. Thus, the value is 2.
Select the option figure that can replace the question mark (?) in the given figure to complete the pattern.
Select the option figure which is embedded in the given figure as its part (rotation is NOT allowed).
Select the option that is related to the third word in the same way as the second word is related to the first word (The words must be considered as mea...
Town C is to the south of Town A. Town D is to the west of town A. Town B is to the east of town D. Town E is to the south of town B and south-east of T...
Four letter – cluster pairs have been given, out of which three are alike in some manner, and one is different. Select the one that is different.
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Kabir is facing the South. He takes a right turn and drives 20 km. Then takes a right turn and drives 30 km. Then takes a left turn and drives 15 km. Fi...
The first figure is related to the second figure in a certain way. Study the pattern and select the figure which should be placed in place of the questi...
If ÷ means addition, × means subtraction, + means multiplication and – means division then
40 – 20 + 6 × 2 ÷ 5 = ?
Statements:
Some cakes are biscuits.
Some biscuits are chocolates.
Conclusions:
I. Some biscuits are cakes.
II. S...
