Which of the following statements is true ?

Question

MCQ (Single)Range of Values of Trigonometric RatiosCBSE PYQ

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Assertion (A) : For an acute angle θ, value of cosec θ cannot be 1/√2. Reason (R) : cosec θ ≥ 1 for 0° ≤ θ ≤ 90°

The maximum value of 1/cosec α is

Range of Values of Trigonometric Ratios

Assertion (A): The value of sin θ = 4/3 is not possible. Reason (R): 3, 4, 5 form a Pythagorean triplet.

Assertion: The value of sinθ + cosθ is always greater than 1. Reason: For an acute angle θ, the value of sinθ and cosθ lie between 0 and 1.

The value of sinθ + cosθ is always greater than 1.

The value of sinθ is (a + 1/a), where 'a' is a positive number.