ICSE Class 10 Answered
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Asked by ketanpatil168262884377 | 28 Nov, 2023, 17:37: PM
Multiple questions should not be sent by one posting.
Only questions 3 and 4 are solved
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Question (3)
θ = -60o
cosθ = cos(-60o ) = cos(60o ) because cosine function is even
cosθ = cos(-60o ) = cos(60o ) = 1/2
sinθ = sin(-60o) = - sin(60o) because sine function is odd
cosecθ = 1/sinθ = 1/sin(-60o) = - 1/sin(60o) = - 2/√3
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Question (4)
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/cef2f11f60947a461dba36cff5950d6765661c9d42c933.86259753f2.png)
Answered by Thiyagarajan K | 28 Nov, 2023, 22:31: PM
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