trigonometry homework for ROEL_verify the identity:sinx tanx + cos x = sec x 2) verify the identitycos x divided by 1+ sin x + 1 + sin x divided by cos x = 2 sec x 3) find the exact value by using a sum or difference identity sin (60 degrees – 45 degrees) 4) find the exact value of the expressioncos (155 degrees) cos (35 degrees) + sin (155 degrees) sin (35 degrees) 5) use a half-angle formula to find the exact value of the expressioncos 3pi divided by 8
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August 7, 2017trigonometry homework for ROEL_verify the identity:sinx tanx + cos x = sec x 2) verify the identitycos x divided by 1+ sin x + 1 + sin x divided by cos x = 2 sec x 3) find the exact value by using a sum or difference identity sin (60 degrees – 45 degrees) 4) find the exact value of the expressioncos (155 degrees) cos (35 degrees) + sin (155 degrees) sin (35 degrees) 5) use a half-angle formula to find the exact value of the expressioncos 3pi divided by 8
1) verify the identity:sinx tanx + cos x = sec x 2) verify the identitycos x divided by 1+ sin x + 1 + sin x divided by cos x = 2 sec x 3) find the exact value by using a sum or difference identity sin (60 degrees – 45 degrees) 4) find the exact value of the expressioncos (155 degrees) cos (35 degrees) + sin (155 degrees) sin (35 degrees) 5) use a half-angle formula to find the exact value of the expressioncos 3pi divided by 8
