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cos15°cos30°- sin15°sin30° =

cos15°cos30°- sin15°sin30° =
1. 1 answer
2. asked by Ashley
3. 1,184 views
Use patterns to find the values of sin 30° and cos 30° and then compare their values.(1 point)Responses sin30°=cos30°
1. 1 answer
2. 77 views
Use patterns to find the values of sin 30° and cos 30° and then compare their values.(1 point)Responses sin30°>cos30° sine
1. 1 answer
2. 219 views
Use patterns to find the values of sin 30° and cos 30° and then compare their values.(1 point) Responses sin30°=−cos30°
1. 1 answer
2. 57 views
Use patterns to find the values of sin 30° and cos 30° and then compare their values.(1 point) Responses sin30°=cos30° sine
1. 1 answer
2. 136 views
Given sin30= 1/2 and cos30= (√3)/2 determine the following - csc30I see the sin30 part can be used to find the answer, but
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2. asked by Anonymous
3. 1,932 views
Evaluate the expression cos75°sin15°+sin75°cos15°
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2. asked by Chad
3. 737 views
prove that 4cos36+cot15/2=1+4+9+16+25+36,ifcot15/2 is1+cos15/+sin15
1. 1 answer
2. asked by edward
3. 687 views
Given that sin0°=cos90°, sin30°=cos60° , sin45°=cos45° , and sin90°=cos0° , what is sin60° equal to?(1 point) Responses
1. 1 answer
2. 80 views
Which value is equivalent to cos15∘?a. sin45∘ b.sin75∘ c. sin85∘ d. sin30∘
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2. asked by GROOVE
3. 2,302 views