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Find the value of (a)cos (3π/4)(b) sec(-23π/6) (c) sin (11π/12) (d) tan(2021π-π/4) |
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Answer» ONG>ANSWER: a) 1/✓2 Step-by-step explanation: a) cos(3π/4) = cos(π-π/4) = cos(π/4) (Since cos(π[email PROTECTED]) = [email protected]) = 1/√2 |
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