Need help with both. Find the exact value using the sum and difference identities. a.sec105(degrees) b.cospi/12
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Originally Posted by Zora Need help with both. Find the exact value using the sum and difference identities. a.sec105(degrees) b.cospi/12 a) Find cos(60 + 45) or cos( 135 - 30) b) Find cos(π/3 - π/4)
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