MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
Statement (i) : sin² θ + cos² θ = 1 Statement (ii) : cosec² θ + cot² θ = 1 Which of the following is valid ?
Topic: Trigonometric identities
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(a) Only statement (i) is true.
Explanation
sin²θ+cos²θ=1. The correct reciprocal identity is cosec²θ=1+cot²θ, not cosec²θ+cot²θ=1.
In words
Only statement (i) is true.
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