If $∆ABC$ is right-angled at C, then the value of cos (A + B) is 1.  0

2.  1

3.  $\frac{1}{2}$

4.  $\frac{\sqrt{3}}{2}$

Subtopic:  Trigonometry |
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If a vector is inclined at angles,  with x, y, and z-axis respectively, then the value of is equal to

1. 0

2. 1

3. 2

4. $\frac{1}{2}$

Subtopic:  Trigonometry |
To view explanation, please take trial in the course below.
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What is the maximum value of 5sinθ – 12cosθ?

1.  12

2.  17

3.  7

4.  13

Subtopic:  Trigonometry |
To view explanation, please take trial in the course below.
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Which of the following is not possible?
1. sin θ = $$3\over5$$
2. sec θ = 100
3. cosec θ = 0.14
4. None of the above

Subtopic:  Trigonometry |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh