If the equation `sin x + cos (k +x)+ cos (k-x)=2` has real solutions, then `sin k` can be
822 views · Published 12 October 2018 · 4:57 · Indexed 30 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If the equation `sin x + cos (k +x)+ cos (k-x)=2` has real solutions, then `sin k` can be
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