Question
Which of the following statements is/are true?
Statement A: Mica and biotite are the secondary minerals but also act as primary minerals. Statement B: Granite, basalt, diorite, andesite and gabbro are the examples of igneous Statement C: Granite mineral is formed by sedimentation, a type of sedimentary rock. In the light of these statements choose the correct answer from the options given below:Solution
Granite is not formed through sedimentation or as a sedimentary rock. Granite is an igneous rock that forms through the crystallization of magma deep within the Earth's crust.
If cosec (2A + B) = (2/√3) and cosec (A + B) = √2, then determine the value of (4A - B).
- If cos θ = (4x² – 1)/(1 + 4x²) then find the value of sin q.
A tree of height 'h' metres is broken by storm in such a way that its top touches the ground at a distance of 'x' metres from t...
From a point "A" on the ground, the angle of elevation to the top of a tower measuring 12 meters in height is 30°. Determine the horizontal distance be...
If x+  1/x = 2cosθ, then the value of x³+  1/x³ is
- If sec A = 2, then what will be the value of sin² A?
Find the exact value of cos120°
The angles of elevation of the top of a flagpole from two points A and B on level ground are 30° and 60° respectively. The points A and B are on the s...
Relevant for Exams:
