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![SOLVED:Evaluate each expression by first changing the form. Verify each by use of a calculator. cos250^∘ cos70^∘+sin250^∘ sin70^∘ SOLVED:Evaluate each expression by first changing the form. Verify each by use of a calculator. cos250^∘ cos70^∘+sin250^∘ sin70^∘](https://cdn.numerade.com/previews/95e848c5-872d-4def-b818-b5408c02930d.gif)
SOLVED:Evaluate each expression by first changing the form. Verify each by use of a calculator. cos250^∘ cos70^∘+sin250^∘ sin70^∘
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