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Find the values of of the following: ...

Find the values of of the following:
i) `cos 135^(@)`
ii) `sin(-780^(@))`
iii) `"cosec" 1920^(@)`

Text Solution

AI Generated Solution

Let's solve the given trigonometric functions step by step. ### i) Find `cos 135°` 1. **Rewrite 135°**: \[ 135° = 90° + 45° \] ...
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