Mathematics
Statement 1: If 3 cos A = 4, sec A = . Statement 2: 3 cos A = 4 ⇒ cos A = and sec A = . 1. Both the statements are true. 2. Both the statements are false. 3. Statement 1 is true, and statement 2 is false. 4. Statement 1 is false, and statement 2 is true.
Related Questions
The value of sin 23° - cos 67° is :
1
0
cos 44°
-cos 44°
Statement 1: The angle C of a right angled triangle is 90°, then tan A = cot B.
Statement 2: Since, angle C of triangle ABC = 90°.
∴ ∠A + ∠B = 90° ⇒ ∠A = 90° - ∠B
Both the statements are true.
Both the statements are false.
Statement 1 is true, and statement 2 is false.
Statement 1 is false, and statement 2 is true.
Assertion (A): If A = 30°, the value of 4 sin A sin (60° - A) sin (60° + A) = 1.
Reason (R): 60° - A = 30° and 60° + A = 90°.
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.